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Non-cancelable Contractual Obligations (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Commitments And Contingencies Disclosure [Abstract]  
2014 (9 months) $ 38,528
2015 44,901
2016 42,779
2017 21,390
2018 14,260
Thereafter 3,565
Total purchase commitments $ 165,423