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Selected Quarterly Financial Data (unaudited) (Details) - USD ($)
 3 Months Ended 12 Months Ended
Nov. 30, 2016
Aug. 31, 2016
May 31, 2016
Feb. 29, 2016
Nov. 30, 2015
Aug. 31, 2015
May 31, 2015
Feb. 28, 2015
Nov. 30, 2016
Nov. 30, 2015
Nov. 30, 2014
Quarterly Financial Information Disclosure [Abstract]                      
Revenue $ 117,724,000 $ 102,018,000 $ 96,118,000 $ 89,481,000 $ 112,719,000 $ 94,637,000 $ 88,817,000 $ 81,381,000 $ 405,341,000 $ 377,554,000 $ 332,533,000
Gross profit 101,186,000 84,829,000 79,883,000 73,731,000 97,483,000 79,505,000 73,071,000 63,753,000 339,629,000 313,812,000 298,274,000
(Loss) income from operations (62,364,000) 13,606,000 12,344,000 6,705,000 20,081,000 8,594,000 (2,735,000) (11,186,000) (29,709,000) 14,754,000 80,740,000
Net (loss) income $ (73,793,000) $ 7,576,000 $ 7,275,000 $ 3,216,000 $ (9,473,000) $ (4,126,000) $ 5,769,000 $ (971,000) $ (55,726,000) $ (8,801,000) $ 49,458,000
Basic (loss) earnings per share (in dollars per share) $ (1.52) $ 0.16 $ 0.15 $ 0.06 $ (0.19) $ (0.08) $ 0.11 $ (0.02) $ (1.13) $ (0.17) $ 0.97
Diluted (loss) earnings per share (in dollars per share) $ (1.52) $ 0.15 $ 0.14 $ 0.06 $ (0.19) $ (0.08) $ 0.11 $ (0.02) $ (1.13) $ (0.17) $ 0.96
Goodwill [Line Items]                      
Impairment of goodwill                 $ 92,000,000 $ 0 $ 0
Application Development and Deployment [Member]                      
Goodwill [Line Items]                      
Impairment of goodwill $ 92,000,000               $ 92,000,000