Annual report pursuant to Section 13 and 15(d)

Long-term Debt - Narrative (Detail)

v3.6.0.2
Long-term Debt - Narrative (Detail)
12 Months Ended
Dec. 31, 2016
USD ($)
Dec. 31, 2016
EUR (€)
Sep. 30, 2016
EUR (€)
Jan. 02, 2016
USD ($)
Debt Instrument [Line Items]        
Redemption price percentage 100.00%      
Assets under capital lease $ 42,700,000      
Accumulated amortization of assets under capital lease 30,300,000     $ 27,400,000
Notes Payable | 6.00% notes, due 2033        
Debt Instrument [Line Items]        
Long - term debt, face amount $ 300,000,000.0      
Notes, stated percentage 6.00% 6.00%   6.00%
Cross - acceleration trigger, other note $ 50,000,000      
Additional Basis point 15.00%      
Effective annual interest rate 6.19% 6.19%    
Notes Payable | 5.95% notes, due 2017        
Debt Instrument [Line Items]        
Long - term debt, face amount $ 250,000,000.0      
Notes, stated percentage 5.95% 5.95%   5.95%
Cross - acceleration trigger, other note $ 100,000,000      
Repurchase obligation percentage 101.00%      
Additional Basis point 20.00%      
Notes Payable | 3.50% notes, due 2021        
Debt Instrument [Line Items]        
Long - term debt, face amount $ 500,000,000      
Notes, stated percentage 3.50% 3.50%   3.50%
Cross - acceleration trigger, other note $ 100,000,000      
Repurchase obligation percentage 101.00%      
Redemption price percentage 100.00%      
Additional Basis point 20.00%      
Effective annual interest rate 4.69% 4.69%    
Notes Payable | 6.45% notes, due 2037        
Debt Instrument [Line Items]        
Long - term debt, face amount $ 350,000,000.0      
Notes, stated percentage 6.45% 6.45%   6.45%
Cross - acceleration trigger, other note $ 100,000,000      
Repurchase obligation percentage 101.00%      
Additional Basis point 25.00%      
Capital Lease Obligations        
Debt Instrument [Line Items]        
Effective annual interest rate 5.06% 5.06%    
0.625% notes, due 2023 | Notes Payable        
Debt Instrument [Line Items]        
Long - term debt, face amount | €   € 850,000,000 € 850,000,000  
Notes, stated percentage 0.625% 0.625% 0.625%  
Cross - acceleration trigger, other note $ 100,000,000      
Repurchase obligation percentage 101.00%      
Redemption price percentage 100.00%      
Additional Basis point 15.00%      
Effective annual interest rate 0.712% 0.712%