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Future Minimum Payments Under Non Cancelable Operating Leases (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Leases Future Minimum Payments [Line Items]  
2014 $ 15,162
2015 14,877
2016 13,903
2017 10,576
2018 7,284
Thereafter 16,619
Total $ 78,421