Employee Benefit Plans - Pension Narrative (Details) - Pension Plan [Member] - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Nov. 30, 2020	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Employer Contributions		$ 6.5	$ 6.3
Anticipated pension contribution, Next Fiscal Year		6.6
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)		2.0	$ 1.3	$ 2.1
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months		18.0
Defined Benefit Plan, Expected Future Benefit Payment, Year Two		17.7
Defined Benefit Plan, Expected Future Benefit Payment, Year Three		18.4
Defined Benefit Plan, Expected Future Benefit Payment, Year Four		18.2
Defined Benefit Plan, Expected Future Benefit Payment, Year Five		17.9
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter		$ 88.4
Money Market Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Net Asset Value Per Share		$ 1.00
Scenario, Forecast [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	$ 1.2