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Commitments and Contingencies - Minimum Lease Payments (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Commitments And Contingencies Disclosure [Abstract]  
Remainder of 2013 $ 15,072
2014 39,299
2015 24,650
2016 18,411
2017 12,451
Thereafter 22,689
Total minimum lease payments $ 132,572