Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income, Net of Tax (Details) - USD ($)		3 Months Ended		6 Months Ended
		May 31, 2020	May 31, 2019	May 31, 2020	May 31, 2019	Nov. 30, 2019
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Foreign currency translation adjustment (1)		$ (349,900,000)	$ (263,000,000.0)	$ (349,900,000)	$ (263,000,000.0)	$ (266,500,000)
Unrealized loss on foreign currency exchange contracts		1,100,000	(800,000)	1,100,000	(800,000)	0
Unamortized value of settled interest rate swaps		100,000	400,000	100,000	400,000	300,000
Pension and other postretirement costs		(229,000,000.0)	(119,300,000)	(229,000,000.0)	(119,300,000)	(234,000,000.0)
Accumulated other comprehensive loss		(577,700,000)	(382,700,000)	(577,700,000)	(382,700,000)	(500,200,000)
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Reclassification adjustment from AOCI on derivatives, before tax		200,000	(200,000)	(300,000)	(600,000)
Reclassification adjustment from AOCI on derivatives, tax		0	0	100,000	100,000
Reclassification adjustment from AOCI on derivatives, net of tax		200,000	(200,000)	(200,000)	(500,000)
Amortization adjustment from AOCI, pension and other postretirement benefit plans, for net prior service cost (credit), before tax	[1]	(1,100,000)	(1,900,000)	(2,100,000)	(4,000,000.0)
Reclassification adjustment from AOCI, pension and other postretirement benefit plans, for net gain (loss), before tax	[1]	2,900,000	700,000	5,300,000	1,400,000
Reclassification adjustment from AOCI, pension and other postretirement benefit plans, before tax		1,800,000	(1,200,000)	3,200,000	(2,600,000)
Reclassification adjustment from AOCI, pension and other postretirement benefit plans, for net (gain) loss, tax		(400,000)	300,000	(700,000)	600,000
Reclassification adjustment from AOCI, pension and other postretirement benefit plans, for net (gain) loss, net of tax		1,400,000	(900,000)	2,500,000	(2,000,000.0)
Other Comprehensive Income, Other, Net of Tax				83,400,000
Foreign currency translation adjustment (1)		(349,900,000)	(263,000,000.0)	(349,900,000)	(263,000,000.0)	$ (266,500,000)
Interest rate contracts | Cash Flow Hedging | Interest Expense
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Reclassification adjustment from AOCI on derivatives, before tax		(100,000)	(100,000)	(200,000)	(200,000)
Foreign exchange contracts | Cash Flow Hedging | Cost of Sales
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Reclassification adjustment from AOCI on derivatives, before tax		300,000	$ (100,000)	(100,000)	$ (400,000)
Cross currency contracts
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Foreign currency translation adjustment (1)		3,300,000		3,300,000
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Foreign currency translation adjustment (1)		$ 3,300,000		$ 3,300,000

[1] This accumulated other comprehensive income (loss) component, including settlement losses, is included in the computation of total pension expense and other postretirement benefits expense (refer to note 6 for additional details).