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	148.0		148.0
Net income attributable to non-controlling interest	0.5				0.5
Other comprehensive income (loss), net of tax	32.4			32.5	(0.1)
Currency translation adjustments	36.7
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	6.7	$ 6.7
Shares purchased and retired, Shares		0.0				(0.2)
Shares purchased and retired, Value	(34.2)	$ (3.9)	(30.3)
Equal exchange, shares		(0.1)				0.1
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:
Stock Issued During Period, Shares, New Issues		0.1				0.0
Stock Issued During Period, Value, New Issues	7.1	$ 7.1
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	144.7		144.7
Net income attributable to non-controlling interest	0.9				0.9
Other comprehensive income (loss), net of tax	(20.0)			(19.3)	(0.7)
Currency translation adjustments	(20.0)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	6.4	$ 6.4
Shares purchased and retired, Shares		0.0				(0.1)
Shares purchased and retired, Value	(23.3)	$ (2.7)	(20.6)
Equal exchange, shares		(0.1)				0.1
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:
Stock Issued During Period, Shares, New Issues		0.1				0.0
Stock Issued During Period, Value, New Issues	$ 9.2	$ 9.2