Fair Value Measurements (Details) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Millions	Nov. 30, 2018	Nov. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 96.6	$ 186.8
Insurance contracts	118.0	119.5
Bonds and other long-term investments	2.8	7.5
Foreign currency derivatives	4.4	12.7
Total	221.8	326.5
Foreign currency derivatives	6.4	4.7
Interest rate derivatives	6.4	2.5
Total	12.8	7.2
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	96.6	186.8
Insurance contracts	0.0	0.0
Bonds and other long-term investments	2.8	7.5
Foreign currency derivatives	0.0	0.0
Total	99.4	194.3
Foreign currency derivatives	0.0	0.0
Interest rate derivatives	0.0
Total	0.0	0.0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	0.0	0.0
Insurance contracts	118.0	119.5
Bonds and other long-term investments	0.0	0.0
Foreign currency derivatives	4.4	12.7
Total	122.4	132.2
Foreign currency derivatives	6.4	4.7
Interest rate derivatives	6.4	2.5
Total	$ 12.8	$ 7.2