Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Future Minimum Lease Payments under Noncancellable Leases (Detail)

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Commitments and Contingencies - Future Minimum Lease Payments under Noncancellable Leases (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
2015, Operating Leases $ 142,695us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
2016, Operating Leases 135,195us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
2017, Operating Leases 120,204us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
2018, Operating Leases 110,608us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears
2019, Operating Leases 99,389us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears
Thereafter, Operating leases 461,356us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter
Total, Operating leases $ 1,069,447us-gaap_OperatingLeasesFutureMinimumPaymentsDue