CIK 0000903127 · QID Q7233708
| Fakt | Wert | Zeit | Quelle |
|---|---|---|---|
| cash_and_equivalents | {"amount": 5060000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2016-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3875000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2016-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 4545000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2016-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 28611000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 62959000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2015-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 119057000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2015-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 126081000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2015-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 140512000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2014-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 160520000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2014-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 17201000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 74396000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2014-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 82110000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 57867000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 74413000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2013-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 114854000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2013-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 118698000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2012-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 64222000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 51628000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2012-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 9535000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 13084000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 93107000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 28955000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 8292000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 22089000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 8355000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 8033000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 11299000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2010-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 13347000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 123498000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currenc | 2009-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3694000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2009-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 75472000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2008-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 11557000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2007-12-31 | sec_edgar |
| cashflow_financing | {"amount": -326339000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2014-12-31 | sec_edgar |
| cashflow_financing | {"amount": -304189000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2014-09-30 | sec_edgar |
| cashflow_financing | {"amount": -163437000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2014-06-30 | sec_edgar |
| cashflow_financing | {"amount": -17705000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2014-03-31 | sec_edgar |
| cashflow_financing | {"amount": -91224000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2013-12-31 | sec_edgar |
| cashflow_financing | {"amount": -68848000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2013-09-30 | sec_edgar |
| cashflow_financing | {"amount": -30006000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2013-06-30 | sec_edgar |
| cashflow_financing | {"amount": -14763000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2013-03-31 | sec_edgar |
| cashflow_financing | {"amount": 116440000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2012-12-31 | sec_edgar |
| cashflow_financing | {"amount": 69939000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2012-09-30 | sec_edgar |
| cashflow_financing | {"amount": 3486000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2012-06-30 | sec_edgar |
| cashflow_financing | {"amount": -26979000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2012-03-31 | sec_edgar |
| cashflow_financing | {"amount": -16449000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_financing | {"amount": 18213000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-09-30 | sec_edgar |
| cashflow_financing | {"amount": -25493000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2011-06-30 | sec_edgar |
| cashflow_financing | {"amount": -34888000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2011-03-31 | sec_edgar |
| cashflow_financing | {"amount": -46049000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2010-12-31 | sec_edgar |
| cashflow_financing | {"amount": -55610000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2010-09-30 | sec_edgar |
| cashflow_financing | {"amount": -9761000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-06-30 | sec_edgar |
| cashflow_financing | {"amount": 2524000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2010-03-31 | sec_edgar |
| cashflow_financing | {"amount": -106517000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "c | 2009-12-31 | sec_edgar |
| cashflow_financing | {"amount": -26533000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2009-09-30 | sec_edgar |
| cashflow_financing | {"amount": -53744000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2009-06-30 | sec_edgar |
| cashflow_financing | {"amount": -38973000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2008-12-31 | sec_edgar |
| cashflow_investing | {"amount": 221402000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2014-12-31 | sec_edgar |
| cashflow_investing | {"amount": 252264000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2014-09-30 | sec_edgar |
| cashflow_investing | {"amount": 20806000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2014-06-30 | sec_edgar |
| cashflow_investing | {"amount": -21361000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2014-03-31 | sec_edgar |
| cashflow_investing | {"amount": -95738000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2013-12-31 | sec_edgar |
| cashflow_investing | {"amount": -109024000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2013-09-30 | sec_edgar |
| cashflow_investing | {"amount": -88634000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2013-06-30 | sec_edgar |
| cashflow_investing | {"amount": -21958000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2013-03-31 | sec_edgar |
| cashflow_investing | {"amount": -145015000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2012-12-31 | sec_edgar |
| cashflow_investing | {"amount": -122566000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "c | 2012-09-30 | sec_edgar |
| cashflow_investing | {"amount": -32960000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2012-06-30 | sec_edgar |
| cashflow_investing | {"amount": -8300000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2012-03-31 | sec_edgar |
| cashflow_investing | {"amount": -94940000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_investing | {"amount": -30266000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-09-30 | sec_edgar |
| cashflow_investing | {"amount": -16070000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-06-30 | sec_edgar |
| cashflow_investing | {"amount": -4369000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_investing | {"amount": -22320000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-12-31 | sec_edgar |
| cashflow_investing | {"amount": -20857000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-09-30 | sec_edgar |
| cashflow_investing | {"amount": -35872000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-06-30 | sec_edgar |
| cashflow_investing | {"amount": -23616000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-03-31 | sec_edgar |
| cashflow_investing | {"amount": -24871000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2009-12-31 | sec_edgar |
| cashflow_investing | {"amount": 3316000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2009-09-30 | sec_edgar |
| cashflow_investing | {"amount": -59382000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2009-06-30 | sec_edgar |
| cashflow_investing | {"amount": 21727000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2008-12-31 | sec_edgar |
| cashflow_operating | {"amount": 157392000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContin | 2016-09-30 | sec_edgar |
| cashflow_operating | {"amount": 93541000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2016-06-30 | sec_edgar |
| cashflow_operating | {"amount": 38321000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2016-03-31 | sec_edgar |
| cashflow_operating | {"amount": 173205000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContin | 2015-12-31 | sec_edgar |
| cashflow_operating | {"amount": 133646000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContin | 2015-09-30 | sec_edgar |
| cashflow_operating | {"amount": 87875000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2015-06-30 | sec_edgar |
| cashflow_operating | {"amount": 36401000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2015-03-31 | sec_edgar |
| cashflow_operating | {"amount": 163339000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContin | 2014-12-31 | sec_edgar |
| cashflow_operating | {"amount": 130335000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContin | 2014-09-30 | sec_edgar |
| cashflow_operating | {"amount": 77722000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2014-06-30 | sec_edgar |
| cashflow_operating | {"amount": 31352000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2014-03-31 | sec_edgar |
| cashflow_operating | {"amount": 150374000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContin | 2013-12-31 | sec_edgar |
| cashflow_operating | {"amount": 117041000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2013-09-30 | sec_edgar |
| cashflow_operating | {"amount": 74355000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2013-06-30 | sec_edgar |
| cashflow_operating | {"amount": 32877000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2013-03-31 | sec_edgar |
| cashflow_operating | {"amount": 134189000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2012-12-31 | sec_edgar |
| cashflow_operating | {"amount": 103765000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2012-09-30 | sec_edgar |
| cashflow_operating | {"amount": 68018000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-06-30 | sec_edgar |
| cashflow_operating | {"amount": 31730000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-03-31 | sec_edgar |
| cashflow_operating | {"amount": 102384000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_operating | {"amount": 83071000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-09-30 | sec_edgar |
| cashflow_operating | {"amount": 48429000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-06-30 | sec_edgar |
| cashflow_operating | {"amount": 25460000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_operating | {"amount": 77111000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_operating | {"amount": 71475000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-09-30 | sec_edgar |
| cashflow_operating | {"amount": 40319000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-06-30 | sec_edgar |
| cashflow_operating | {"amount": 19044000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-03-31 | sec_edgar |
| cashflow_operating | {"amount": 69263000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2009-12-31 | sec_edgar |
| cashflow_operating | {"amount": 71243000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2009-09-30 | sec_edgar |
| cashflow_operating | {"amount": 41348000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2009-06-30 | sec_edgar |
| cashflow_operating | {"amount": 81161000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2008-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 54632000, "concept": "us-gaap:CommonStockSharesIssued"} | 2016-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 54632000, "concept": "us-gaap:CommonStockSharesIssued"} | 2016-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 54632000, "concept": "us-gaap:CommonStockSharesIssued"} | 2016-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 54632000, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 54632000, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 54632000, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 54633000, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 54632000, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 54632000, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 54632000, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 54632000, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 54629000, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 54629000, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 54602000, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 54587000, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 54483000, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 54413000, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 54109000, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 53654000, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 53002000, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 51877000, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 50457000, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 49787000, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 48926000, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 48768000, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 48695000, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 48453000, "concept": "us-gaap:CommonStockSharesIssued"} | 2009-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 53509619, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2016-10-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 53509000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2016-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 53498870, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2016-07-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 53490000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2016-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 53487246, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2016-04-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 53487000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2016-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 53645986, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2016-02-15 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 54012000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2015-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 54124574, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2015-10-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 54124000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2015-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 54601361, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2015-07-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 54592000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2015-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 54593958, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2015-04-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 54594000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2015-03-31 | sec_edgar |
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