Consolidated Statement Of Shareholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Non-Controlling Interests [Member]	Nonvoting Common Stock Common Stock
Balance, Shares at Nov. 30, 2018		9.6				122.5
Balance, Value at Nov. 30, 2018	$ 3,182.2	$ 1,770.6	$ 1,760.2	$ (359.9)	$ 11.3
Comprehensive income:
Net income	489.3		489.3
Net income attributable to non-controlling interest	1.5				1.5
Other comprehensive income (loss), net of tax	(69.3)			(68.4)	(0.9)
Currency translation adjustments	(66.8)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	30.6	$ 30.6
Shares purchased and retired, Shares		(0.2)				(0.4)
Shares purchased and retired, Value	(91.9)	$ (13.3)	(78.6)
Equal exchange, shares		(1.5)				1.5
Balance, Shares at Aug. 31, 2019		9.3				123.6
Balance, Value at Aug. 31, 2019	3,480.6	$ 1,877.2	2,019.8	(428.3)	11.9
Comprehensive income:
Stock Issued During Period, Shares, New Issues		1.4				0.0
Stock Issued During Period, Value, New Issues	89.3	$ 89.3
Dividends	(151.1)		(151.1)
Balance, Shares at May. 31, 2019		9.5				123.0
Balance, Value at May. 31, 2019	3,382.6	$ 1,835.0	1,918.6	(382.7)	11.7
Comprehensive income:
Net income	191.9		191.9
Net income attributable to non-controlling interest	0.3				0.3
Other comprehensive income (loss), net of tax	(45.7)			(45.6)	(0.1)
Currency translation adjustments	(44.9)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	7.8	$ 7.8
Shares purchased and retired, Shares		(0.1)				0.0
Shares purchased and retired, Value	(18.3)	$ (3.2)	(15.1)
Equal exchange, shares		(0.6)				0.6
Balance, Shares at Aug. 31, 2019		9.3				123.6
Balance, Value at Aug. 31, 2019	3,480.6	$ 1,877.2	2,019.8	(428.3)	11.9
Comprehensive income:
Stock Issued During Period, Shares, New Issues		0.5				0.0
Stock Issued During Period, Value, New Issues	37.6	$ 37.6
Dividends	(75.6)		(75.6)
Balance, Shares at Nov. 30, 2019		9.3				123.6
Balance, Value at Nov. 30, 2019	3,456.7	$ 1,888.6	2,055.8	(500.2)	12.5
Comprehensive income:
Net income	546.7		546.7
Net income attributable to non-controlling interest	3.1				3.1
Other comprehensive income (loss), net of tax	68.0			70.3	(2.3)
Currency translation adjustments	65.8
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	37.8	$ 37.8
Shares purchased and retired, Shares		(0.2)				(0.1)
Shares purchased and retired, Value	(59.1)	$ (12.6)	(46.5)
Equal exchange, shares		(0.8)				0.8
Balance, Shares at Aug. 31, 2020		9.1				124.3
Balance, Value at Aug. 31, 2020	3,946.0	$ 1,971.6	2,391.0	(429.9)	13.3
Comprehensive income:
Stock Issued During Period, Shares, New Issues		0.8				0.0
Stock Issued During Period, Value, New Issues	57.8	$ 57.8
Dividends	(165.0)		(165.0)
Balance, Shares at May. 31, 2020		9.3				123.9
Balance, Value at May. 31, 2020	3,662.3	$ 1,938.9	2,288.7	(577.7)	12.4
Comprehensive income:
Net income	206.1		206.1
Net income attributable to non-controlling interest	1.6				1.6
Other comprehensive income (loss), net of tax	147.1			147.8	(0.7)
Currency translation adjustments	146.7
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	10.7	$ 10.7
Shares purchased and retired, Shares		(0.1)				0.0
Shares purchased and retired, Value	(28.6)	$ (7.4)	(21.2)
Equal exchange, shares		(0.4)				0.4
Balance, Shares at Aug. 31, 2020		9.1				124.3
Balance, Value at Aug. 31, 2020	3,946.0	$ 1,971.6	2,391.0	$ (429.9)	$ 13.3
Comprehensive income:
Stock Issued During Period, Shares, New Issues		0.3				0.0
Stock Issued During Period, Value, New Issues	29.4	$ 29.4
Dividends	$ (82.6)		$ (82.6)