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Derivative Instruments and Risk Management - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 09, 2014
Dec. 31, 2016
2.45% Senior notes due December 15, 2019    
Derivative Instruments And Hedging Activities Disclosures [Line Items]    
Interest rate of debt 2.45%  
Maturity date of debt Dec. 15, 2019  
Foreign Exchange Contract    
Derivative Instruments And Hedging Activities Disclosures [Line Items]    
Face value of unexpired foreign currency contracts   $ 95.9
Interest Rate Swaps | LIBOR-Based Rate    
Derivative Instruments And Hedging Activities Disclosures [Line Items]    
Interest rate, spread   0.756%
Interest Rate Swaps | 2.45% Senior notes due December 15, 2019    
Derivative Instruments And Hedging Activities Disclosures [Line Items]    
Senior notes $ 300.0  
Interest rate of debt   2.45%
Maturity date of debt   Dec. 15, 2019
Interest Rate Swaps | 2.45% Senior notes due December 15, 2019 | LIBOR-Based Rate    
Derivative Instruments And Hedging Activities Disclosures [Line Items]    
Interest rate, spread   0.756%
Designated as Hedging Instrument    
Derivative Instruments And Hedging Activities Disclosures [Line Items]    
Derivative hedging agreements covering diesel fuel requirements   32.00%
Derivative hedging agreements covering diesel fuel requirements, year 2017   32.00%
Designated as Hedging Instrument | Foreign Exchange Contract    
Derivative Instruments And Hedging Activities Disclosures [Line Items]    
Face value of unexpired foreign currency contracts   $ 94.1