Commitments and Contingencies (Details) - Schedule for minimum future annual rental commitments $ in Millions	May 31, 2018 USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2017	$ 26.9
2018	22.4
2019	15.8
2020	11.7
2021	8.0
Thereafter	8.1
Total minimum lease payments	92.9
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2017	1.5
2018	1.4
2019	1.4
2020	1.3
2021	1.1
Thereafter	1.6
Total minimum lease payments	8.3
Less amount representing interest	(0.8)
Present value of net minimum capital lease payments	7.5
Less current maturities of capital lease obligations	1.3
Long-term capital lease obligations	$ 6.2