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Commitments - Schedule of Future Minimum Lease Payments (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Commitments And Contingencies Disclosure [Abstract]  
2014 $ 4,821
2015 6,281
2016 3,468
2017 255
2018 14
Thereafter   
Total minimum lease payments $ 14,839