Accounting Policies - Adjustments for Adoption in Accounting Policies (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	May 31, 2019	May 31, 2018	Feb. 28, 2018	May 31, 2019	May 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales	$ 1,301.9	$ 1,301.3		$ 2,533.4	$ 2,516.7
Cost of goods sold	793.4	795.9		1,558.0	1,550.9
Gross profit	(508.5)	(505.4)		(975.4)	(965.8)
Selling, general and administrative expense	(293.3)	(300.6)		(561.2)	(569.0)
Operating income	208.1	188.6		405.0	369.7
Other income, net	$ 6.3	4.6		$ 12.4	8.7
Revenue Recognition (1)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cost of goods sold			$ 4.2
Gross profit			4.2
Selling, general and administrative expense			$ 4.2
Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales		1,327.3			2,564.4
Cost of goods sold		752.1			1,469.2
Gross profit		(575.2)			(1,095.2)
Selling, general and administrative expense		(367.3)			(692.7)
Operating income		191.7			375.4
Other income, net		1.5			3.0
Adjustment | Revenue Recognition (1)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales		(26.0)			(47.7)
Cost of goods sold		43.2			80.5
Gross profit		69.2			128.2
Selling, general and administrative expense		69.2			128.2
Operating income		0.0			0.0
Other income, net		0.0			0.0
Adjustment | Pension
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales		0.0			0.0
Cost of goods sold		0.6			1.2
Gross profit		0.6			1.2
Selling, general and administrative expense		(2.5)			(4.5)
Operating income		(3.1)			(5.7)
Other income, net		$ 3.1			$ 5.7