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Goodwill and Other Intangibles (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Nov. 30, 2015
Nov. 30, 2015
Nov. 30, 2014
May. 31, 2015
Goodwill and Other Intangibles (Details) [Line Items]        
Amortization expense   $ 1.1 $ 1.0 $ 1.9
Useful life (in years)   4 years    
Finite-Lived Intangible Assets        
Goodwill and Other Intangibles (Details) [Line Items]        
Amortization expense   $ 1.1 $ 1.0  
Troubadour, Limited | Finite-Lived Intangible Assets        
Goodwill and Other Intangibles (Details) [Line Items]        
Amortization expense $ 1.9