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Debt Facilities - 2027 Senior Notes (Details) - Senior Notes [Member] - USD ($)
1 Months Ended 3 Months Ended
Mar. 01, 2017
Mar. 31, 2017
Mar. 31, 2017
Mar. 30, 2017
Dec. 31, 2016
Debt Instrument [Line Items]          
Debt issuance cost   $ 54,551,000 $ 54,551,000   $ 39,230,000
5.375% Senior Notes due 2027 [Member]          
Debt Instrument [Line Items]          
Aggregate principal debt amount issued   $ 1,250,000,000 $ 1,250,000,000    
Interest rate (percent)   5.375% 5.375%    
Debt issuance cost   $ 16,800,000 $ 16,800,000 $ 16,900,000  
5.375% Senior Notes due 2027 [Member] | Debt instrument redemption period prior to May 15, 2022          
Debt Instrument [Line Items]          
Redemption price, percentage     100.00%    
5.375% Senior Notes due 2027 [Member] | Debt instrument redemption period prior to May 15, 2022 | Maximum [Member]          
Debt Instrument [Line Items]          
Applicable premium as a percentage of principal amount   1.00% 1.00%    
5.375% Senior Notes due 2027 [Member] | Treasury Rate [Member] | Debt Instrument Redemption Period Prior to January One Two Thousand Eighteen [Member]          
Debt Instrument [Line Items]          
Variable rate, basis spread   0.50%      
5.875% Senior Notes due 2026 [Member]          
Debt Instrument [Line Items]          
Interest rate (percent)   5.875% 5.875%    
5.375% Senior Notes due 2022 [Member]          
Debt Instrument [Line Items]          
Interest rate (percent)   5.375% 5.375%    
5.750% Senior Notes due 2025 [Member]          
Debt Instrument [Line Items]          
Interest rate (percent)   5.75% 5.75%    
Redemption by Company of up to 35% of aggregate principal | 5.375% Senior Notes due 2027 [Member] | Debt instrument redemption period prior to December 6, 2017          
Debt Instrument [Line Items]          
Redemption price, percentage   105.375%      
Senior notes indentured outstanding (percent) 35.00%        
Aggregate principal, percentage 65.00%