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Commitments and Contingencies - Future Minimum Payments under Non-Cancelable Operating Leases (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Schedule Of Commitments And Contingencies [Line Items]  
2014 $ 77,583
2015 58,748
2016 35,590
2017 26,960
2018 21,927
Thereafter 19,354
Total minimum lease payments $ 240,162