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Significant Accounting Policies - Additional Information (Detail) - USD ($)
 6 Months Ended 12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Significant Of Accounting Policies [Line Items]            
Highly liquid investments included in cash and cash equivalents, maturity period     3 months      
Allowances for doubtful accounts     $ 7,400,000 $ 5,800,000    
Inventories     531,100,000 555,600,000    
Unrecognized tax benefits pertaining to uncertain tax positions     58,200,000 38,200,000 $ 31,000,000 $ 23,700,000
Selling, general and administrative expenses     1,129,900,000 1,047,600,000 943,300,000  
Advertising costs     199,100,000 195,400,000 200,400,000  
Research and development expenses     53,100,000 48,700,000 46,100,000  
Estimated amount of net foreign currency derivative gains (loss) in other comprehensive income reclassified to earnings     (200,000)      
Tax benefit on exercise of stock options       28,400,000 27,700,000  
Excess tax benefit reclassified to income tax expense       11,400,000 9,900,000 $ 10,500,000
Employee withholding taxes reclassified into financing activities     10,100,000 18,100,000 12,500,000  
Cash flow hedge | Foreign exchange contracts [Member]            
Significant Of Accounting Policies [Line Items]            
Gain (loss) reclassified from Accumulated OCI into earnings     (3,500,000) 3,600,000 0  
Estimated amount of net foreign currency derivative gains (loss) in other comprehensive income reclassified to earnings     200,000      
Shipping And Handling Expense            
Significant Of Accounting Policies [Line Items]            
Selling, general and administrative expenses     197,000,000 184,600,000 169,700,000  
Advertising            
Significant Of Accounting Policies [Line Items]            
Selling, general and administrative expenses     146,600,000 132,200,000 133,600,000  
Advertising costs, reduction to net sales     52,500,000 63,200,000 66,800,000  
Selling, general and administrative Expenses [Member]            
Significant Of Accounting Policies [Line Items]            
Customer program costs     44,100,000 43,200,000 $ 43,400,000  
ASU No. 2016-09 | Adjustments for New Accounting Principle, Early Adoption | Restatement Adjustment            
Significant Of Accounting Policies [Line Items]            
Tax benefit on exercise of stock options $ (14,200,000) $ (9,000,000)        
Excess tax benefit reclassified to income tax expense 14,200,000 9,000,000        
Employee withholding taxes reclassified from operating activities (9,000,000) (13,600,000)        
Employee withholding taxes reclassified into financing activities $ 9,000,000 $ 13,600,000        
Minimum [Member]            
Significant Of Accounting Policies [Line Items]            
Reasonably possible decrease in unrecognized tax benefits     4,000,000      
Maximum [Member]            
Significant Of Accounting Policies [Line Items]            
Reasonably possible decrease in unrecognized tax benefits     $ 5,000,000      
Income Approach            
Significant Of Accounting Policies [Line Items]            
Goodwill recoverability weighted percentage     80.00%      
Market Approach            
Significant Of Accounting Policies [Line Items]            
Goodwill recoverability weighted percentage     20.00%      
Metals inventories            
Significant Of Accounting Policies [Line Items]            
LIFO inventories     $ 235,500,000 227,900,000    
Inventories     $ 244,400,000 $ 243,100,000