Other Accrued Expenses (Details) - Schedule of accrued expenses (USD $) In Millions, unless otherwise specified	May 31, 2014	May 31, 2013
Schedule of accrued expenses [Abstract]
Accrued payroll, payroll taxes and benefits	$ 41.7	$ 45.8
Accrued bonus and commissions	36.9	22.0
Accrued other taxes	27.5	29.3
Accrued advertising and promotions	35.6	38.2
Accrued income taxes	4.7	5.5
Accrued insurance	8.3	8.7
Other accrued expenses	30.0	30.0
Total accrued expenses	$ 184.7	$ 179.5