Other Accrued Expenses (Details) - Schedule of accrued expenses - USD ($) $ in Millions	Feb. 29, 2016	May. 31, 2015	Feb. 28, 2015
Schedule of accrued expenses [Abstract]
Accrued payroll, payroll taxes and benefits	$ 37.2	$ 44.3	$ 41.0
Accrued bonus and commissions	15.9	32.6	15.5
Accrued other taxes	27.2	26.7	24.0
Accrued advertising and promotions	37.1	33.4	35.3
Accrued insurance	7.8	7.8	8.1
Other accrued expenses	26.8	28.5	26.8
Total accrued expenses	$ 152.0	$ 173.3	$ 150.7