Valuation and Qualifying Accounts (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance Beginning of Year	$ 42.9		$ 43.1		$ 37.4
Charges to Costs and Expenses	23.3		22.5		22.9
Deductions	(19.6)	[1]	(22.7)	[1]	(17.2)	[1]
Balance End of Year	46.6		42.9		43.1
Allowance for inventory obsolescence
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance Beginning of Year	31.3		30.7		27.4
Charges to Costs and Expenses	21.6		21.2		19.3
Deductions	(16.4)	[1]	(20.6)	[1]	(16.0)	[1]
Balance End of Year	36.5		31.3		30.7
Allowance for doubtful accounts
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance Beginning of Year	11.6		12.4		10.0
Charges to Costs and Expenses	1.7		1.3		3.6
Deductions	(3.2)	[1]	(2.1)	[1]	(1.2)	[1]
Balance End of Year	$ 10.1		$ 11.6		$ 12.4

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