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Significant Accounting Policies - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Significant Accounting Policies [Line Items]          
Highly liquid investments included in cash and cash equivalents, maturity period   3 months      
Allowances for doubtful accounts $ 5,800,000 $ 5,800,000 $ 5,400,000    
Inventories 555,600,000 555,600,000 462,200,000    
Unrecognized tax benefits pertaining to uncertain tax positions 38,200,000 38,200,000 31,000,000 $ 23,700,000 $ 20,800,000
Selling, general and administrative expenses   1,047,600,000 943,300,000 938,700,000  
Advertising costs   195,400,000 200,400,000 197,100,000  
Research and development expenses   48,700,000 46,100,000 50,800,000  
Estimated amount of net foreign currency derivative gains (loss) in other comprehensive income reclassified to earnings 3,100,000 3,100,000      
Debt issuance costs 3,000,000        
Cash flow hedge [Member] | Foreign exchange contracts [Member]          
Significant Accounting Policies [Line Items]          
Gain (loss) reclassified from Accumulated OCI into earnings   3,800,000 0 2,300,000  
Estimated amount of net foreign currency derivative gains (loss) in other comprehensive income reclassified to earnings 3,100,000 3,100,000      
Shipping And Handling Expense          
Significant Accounting Policies [Line Items]          
Selling, general and administrative expenses   184,600,000 169,700,000 161,200,000  
Advertising          
Significant Accounting Policies [Line Items]          
Selling, general and administrative expenses   132,200,000 133,600,000 140,300,000  
Advertising costs, reduction to net sales   63,200,000 66,800,000 56,800,000  
Selling, general and administrative expenses [Member]          
Significant Accounting Policies [Line Items]          
Customer program costs   43,200,000 43,400,000 $ 43,500,000  
Minimum [Member]          
Significant Accounting Policies [Line Items]          
Reasonably possible decrease in unrecognized tax benefits 7,500,000 7,500,000      
Maximum [Member]          
Significant Accounting Policies [Line Items]          
Reasonably possible decrease in unrecognized tax benefits $ 12,500,000 $ 12,500,000      
Income Approach          
Significant Accounting Policies [Line Items]          
Goodwill recoverability weighted percentage 80.00% 80.00%      
Market Approach          
Significant Accounting Policies [Line Items]          
Goodwill recoverability weighted percentage 20.00% 20.00%      
Metals inventories          
Significant Accounting Policies [Line Items]          
LIFO inventories $ 227,900,000 $ 227,900,000 197,600,000    
Inventories $ 243,100,000 $ 243,100,000 $ 217,500,000