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Valuation and Qualifying Accounts and Reserves - Components of Valuation and Qualifying Accounts and Reserves (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Allowance for Doubtful Accounts [Member]      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Year $ 24.9 $ 28.8 $ 31.4
Charged to Costs and Expenses 4.3 3.8 8.0
Deductions (8.5) (4.2) (7.2)
Foreign Currency Translation and Other (0.4) (3.5) (3.4)
Balance at End of Year 20.3 24.9 28.8
Inventory Obsolescence Reserve [Member]      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Year 21.9 29.0 24.6
Charged to Costs and Expenses 6.4 (0.2) 9.2
Deductions (1.5) (4.5) (1.6)
Foreign Currency Translation and Other (1.9) (2.4) (3.2)
Balance at End of Year 24.9 21.9 29.0
Valuation Allowance on Deferred Tax Assets [Member]      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Year 257.4 227.8 240.0
Charged to Costs and Expenses (36.1) (58.2)  
Deductions     (13.2)
Foreign Currency Translation and Other (3.2) 87.8 1.0
Balance at End of Year $ 218.1 $ 257.4 $ 227.8