| Wert | {"amount": 50002000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": "USD"} |
|---|---|
| Zeitbezug | 2013-01-01 – 2013-06-30 |
| Status | current |
| Entität | MARTIN MARIETTA MATERIALS INC |
0001193125-13-318817f7bde1a401b286c74a2fd824ee1df541…