Components of Comprehensive Income (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	May 31, 2012	May 31, 2011	May 31, 2012	May 31, 2011
Comprehensive Income (Loss) [Line Items]
Net income	$ 80.4	$ 73.6	$ 154.9	$ 150.4
Net income attributable to non-controlling interest	0.5	0.2	1.3	0.5
Unrealized components of Pension plans, net of tax	5.9	1.3	7.4	1.0
Currency translation adjustments	(98.3)	47.0	(75.5)	115.5
Change in derivative financial instruments, net of tax	0.7		(0.2)	(0.4)
Comprehensive (loss) income	$ (10.8)	$ 122.1	$ 87.9	$ 267.0