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Financing Agreements - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended
Apr. 04, 2017
Apr. 30, 2017
Mar. 31, 2017
Jun. 30, 2016
Dec. 31, 2016
Revolving Facility [Member]          
Debt Instrument [Line Items]          
Write-off of deferred financing costs       $ 1,000,000  
Current aggregate facility     $ 500,000,000    
Deferred financing payments       3,000,000  
Fronting fee rate     0.125%    
Line of credit facility, amount outstanding     $ 0    
Utilized for letters of credit     23,000,000    
Available borrowing capacity     477,000,000    
Maximum [Member] | Revolving Facility [Member]          
Debt Instrument [Line Items]          
Line of credit facility applied to letters of credit     $ 275,000,000    
Senior Notes Due June 2026 [Member]          
Debt Instrument [Line Items]          
Interest rate     6.50% [1]   6.50%
Senior Notes Due September 2021 [Member]          
Debt Instrument [Line Items]          
Interest rate     5.375%   5.375%
Senior Notes Due February 2021 [Member]          
Debt Instrument [Line Items]          
Loss on extinguishment of debt       16,000,000  
Write-off of deferred financing costs       4,000,000  
Redemption premium       $ 12,000,000  
Senior Notes Due February 2021 [Member] | Weighted Average [Member]          
Debt Instrument [Line Items]          
Debt redemption price       103.375%  
Scenario, Forecast [Member] | Senior Notes Due April 2025 [Member]          
Debt Instrument [Line Items]          
Senior notes issued $ 400,000,000        
Interest rate 5.75%        
Net proceeds of the offering $ 394,000,000        
Financing costs $ 6,000,000        
Scenario, Forecast [Member] | Senior Notes Due April 2025 [Member] | Debt Instrument, Redemption, Period One [Member]          
Debt Instrument [Line Items]          
Debt redemption price 105.75%        
Scenario, Forecast [Member] | Senior Notes Due April 2025 [Member] | Debt Instrument, Redemption, Period One [Member] | Maximum [Member]          
Debt Instrument [Line Items]          
Percent of notes redeemable 35.00%        
Scenario, Forecast [Member] | Senior Notes Due April 2025 [Member] | Debt Instrument, Redemption, Period One [Member] | Minimum [Member]          
Debt Instrument [Line Items]          
Percent of original principal amount that must remain outstanding after the redemption 50.00%        
Scenario, Forecast [Member] | Senior Notes Due April 2025 [Member] | Debt Instrument, Redemption, Period Two [Member]          
Debt Instrument [Line Items]          
Debt redemption price 100.00%        
Scenario, Forecast [Member] | Senior Notes Due September 2021 [Member]          
Debt Instrument [Line Items]          
Senior notes redeemed   $ 100,000,000      
Loss on extinguishment of debt   5,000,000      
Write-off of deferred financing costs   $ 1,000,000      
Scenario, Forecast [Member] | Senior Notes Due September 2021 [Member] | Weighted Average [Member]          
Debt Instrument [Line Items]          
Debt redemption price   104.031%      
Cash Flow Hedging [Member]          
Debt Instrument [Line Items]          
Derivative, fixed interest rate     5.14%    
Cash Flow Hedging [Member] | Senior Notes Due June 2026 [Member]          
Debt Instrument [Line Items]          
Interest rate     6.50%    
Cash Flow Hedging [Member] | Scenario, Forecast [Member] | Senior Notes Due April 2025 [Member]          
Debt Instrument [Line Items]          
Interest rate 5.75%        
Currency Swap [Member] | Cash Flow Hedging [Member] | Senior Notes Due April 2025 [Member]          
Debt Instrument [Line Items]          
Derivative, fixed interest rate     3.85%    
[1] In conjunction with the issuance of the June 2026 Notes we entered into two 10-year fixed-to-fixed cross-currency swaps which have the effect of economically converting the June 2026 Notes to euro-denominated debt at a fixed rate of 5.140%. See Note 13 for additional information.