Valuation and Qualifying Accounts (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance Beginning of Year	$ 37.4		$ 37.0		$ 36.1
Charges to Costs and Expenses	22.9		18.4		21.9
Deductions	(17.2)	[1]	(18.0)	[1]	(21.0)	[1]
Balance End of Year	43.1		37.4		37.0
Allowance for inventory obsolescence
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance Beginning of Year	27.4		26.5		26.4
Charges to Costs and Expenses	19.3		14.7		17.9
Deductions	(16.0)	[1]	(13.8)	[1]	(17.8)	[1]
Balance End of Year	30.7		27.4		26.5
Allowance for doubtful accounts
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance Beginning of Year	10.0		10.5		9.7
Charges to Costs and Expenses	3.6		3.7		4.0
Deductions	(1.2)	[1]	(4.2)	[1]	(3.2)	[1]
Balance End of Year	$ 12.4		$ 10.0		$ 10.5

[1] Includes writeoffs and the impact of foreign currency exchange rates.