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Property and Equipment - Future Minimum Payments Under Non-Cancelable Operating Leases (Detail)
$ in Thousands
Dec. 31, 2015
USD ($)
Leases [Abstract]  
2016 $ 23,330
2017 20,656
2018 17,230
2019 14,474
2020 10,928
2021 and thereafter 42,568
Total minimum obligations $ 129,186