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Schedule of Future Minimum Lease Payments (Detail) (Non-cancellable operating leases, USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Non-cancellable operating leases
 
Long-term Purchase Commitment [Line Items]  
2014 $ 13,092
2015 52,335
2016 51,032
2017 50,442
2018 50,093
Thereafter 260,436
Total $ 477,430