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	297.4		297.4
Net income attributable to non-controlling interest	1.2				1.2
Other comprehensive income (loss), net of tax	(23.6)			(22.8)	(0.8)
Currency translation adjustments	(21.9)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	22.8	$ 22.8
Shares purchased and retired, Shares		(0.1)				(0.4)
Shares purchased and retired, Value	(73.6)	$ (10.1)	(63.5)
Equal exchange, shares		(0.9)				0.9
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:
Stock Issued During Period, Shares, New Issues		0.9				0.0
Stock Issued During Period, Value, New Issues	51.7	$ 51.7
Dividends	(75.5)		(75.5)
Balance, Shares at Feb. 28, 2019		9.6				122.4
Balance, Value at Feb. 28, 2019	3,342.7	$ 1,780.5	1,877.9	(327.4)	11.7
Comprehensive income:
Net income	149.4		149.4
Net income attributable to non-controlling interest	0.7				0.7
Other comprehensive income (loss), net of tax	(56.0)			(55.3)	(0.7)
Currency translation adjustments	(58.6)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	16.1	$ 16.1
Shares purchased and retired, Shares		(0.1)				(0.2)
Shares purchased and retired, Value	(39.4)	$ (6.2)	(33.2)
Equal exchange, shares		(0.8)				0.8
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:
Stock Issued During Period, Shares, New Issues		0.8				0.0
Stock Issued During Period, Value, New Issues	44.6	$ 44.6
Dividends	(75.5)		(75.5)
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	340.6		340.6
Net income attributable to non-controlling interest	1.5				1.5
Other comprehensive income (loss), net of tax	(79.1)			(77.5)	(1.6)
Currency translation adjustments	(80.9)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	27.1	$ 27.1
Shares purchased and retired, Shares		(0.1)				(0.1)
Shares purchased and retired, Value	(30.5)	$ (5.2)	(25.3)
Equal exchange, shares		(0.4)				0.4
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:
Stock Issued During Period, Shares, New Issues		0.5				0.0
Stock Issued During Period, Value, New Issues	28.4	$ 28.4
Dividends	(82.4)		(82.4)
Balance, Shares at Feb. 29, 2020		9.3				123.6
Balance, Value at Feb. 29, 2020	3,574.6	$ 1,901.5	2,179.9	(519.5)	12.7
Comprehensive income:
Net income	195.9		195.9
Net income attributable to non-controlling interest	0.6				0.6
Other comprehensive income (loss), net of tax	(59.1)			(58.2)	(0.9)
Currency translation adjustments	(60.9)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	20.7	$ 20.7
Shares purchased and retired, Shares		(0.1)				0.0
Shares purchased and retired, Value	(7.2)	$ (2.5)	(4.7)
Equal exchange, shares		(0.3)				0.3
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:
Stock Issued During Period, Shares, New Issues		0.4				0.0
Stock Issued During Period, Value, New Issues	19.2	$ 19.2
Dividends	$ (82.4)		$ (82.4)