Fair Value Measurements (Details) - USD ($) $ in Millions	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017	Nov. 30, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 155.4	$ 96.6	$ 186.8	$ 118.4
Interest Rate Derivatives, at Fair Value, Net	20.5	(6.4)
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents		96.6
Insurance contracts	121.7	118.0
Bonds and other long-term investments	2.7	2.8
Foreign currency derivatives		4.4
Total	307.2	221.8
Foreign currency derivatives		6.4
Interest rate derivatives		6.4
Total	3.6	12.8
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	155.4	96.6
Insurance contracts	0.0	0.0
Bonds and other long-term investments	2.7	2.8
Interest Rate Derivative Assets, at Fair Value	0.0
Foreign currency derivatives	0.0	0.0
Total	158.1	99.4
Foreign currency derivatives	0.0	0.0
Total	0.0	0.0
Fair Value, Measurements, Recurring [Member] | 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	121.7	118.0
Bonds and other long-term investments	0.0	0.0
Interest Rate Derivative Assets, at Fair Value	20.9
Foreign currency derivatives	3.3	4.4
Total	149.1	122.4
Foreign currency derivatives	3.6	6.4
Interest rate derivatives		6.4
Total	3.6	$ 12.8
Assets [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cross Currency Contracts, Fair Value	3.2
Cross Currency Interest Rate Contract [Member] | Liability [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign Currency Fair Value Hedge Derivative at Fair Value, Net	0.0
Cross Currency Interest Rate Contract [Member] | Assets [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign Currency Fair Value Hedge Derivative at Fair Value, Net	$ 3.2