| Wert | {"amount": 94228000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currency": "USD"} |
|---|---|
| Zeitbezug | 2016-01-01 – 2016-03-31 |
| Status | current |
| Entität | MARTIN MARIETTA MATERIALS INC |
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