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Goodwill and Other Intangible Assets - Future Amortization Expense Related to Intangible Assets (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
May 31, 2016
May 31, 2015
May 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]      
Aggregate amortization expense $ 3,100 $ 3,000 $ 6,100
Remainder of fiscal 2016 6,099   6,099
Year ended November 30, 2017 12,198   12,198
Year ended November 30, 2018 12,198   12,198
Year ended November 30, 2019 12,198   12,198
Year ended November 30, 2020 $ 12,198   $ 12,198