Valuation and Qualifying Accounts and Reserves - Components of Valuation and Qualifying Accounts and Reserves (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	$ 31.4	$ 25.6	$ 15.9
Charged to Costs and Expenses	8.0	11.6	14.3
Deductions	(7.2)	(5.4)	(7.8)
Foreign Currency Translation and Other	(3.4)	(0.4)	3.2
Balance at End of Year	28.8	31.4	25.6
Inventory Obsolescence Reserve [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	24.9	27.5	23.3
Charged to Costs and Expenses	9.2	(0.3)	13.9
Deductions	(1.6)	(1.5)	(14.1)
Foreign Currency Translation and Other	(2.9)	(0.8)	4.4
Balance at End of Year	$ 29.6	$ 24.9	$ 27.5