XML 13 R39.htm IDEA: XBRL DOCUMENT v2.4.1.9
Debt (Details) - Schedule of Maturities of Long-term Debt (USD $)
In Millions, unless otherwise specified
Nov. 30, 2014
May 31, 2014
Nov. 30, 2013
Schedule of Maturities of Long-term Debt [Abstract]      
2015 $ 9.2us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths    
2016 0us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo    
2017 0us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree    
2018 95.0us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour    
Debt Long Term And Short Term Outstanding, Carrying Value $ 104.2us-gaap_DebtLongtermAndShorttermCombinedAmount $ 135.8us-gaap_DebtLongtermAndShorttermCombinedAmount $ 9.6us-gaap_DebtLongtermAndShorttermCombinedAmount