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Acquisitions (Details)
€ in Millions, $ in Millions
6 Months Ended
Sep. 08, 2015
USD ($)
Sep. 08, 2015
EUR (€)
Nov. 30, 2015
USD ($)
Nov. 30, 2014
USD ($)
Business Acquisition [Line Items]        
Consideration transferred, net of cash acquired     $ 3.7 $ 0.7
Troubadour, Limited        
Business Acquisition [Line Items]        
Percentage of interests acquired 100.00%      
Consideration transferred, net of cash acquired $ 3.2 € 2.1    
Intangible assets acquired $ 1.9