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Consolidating Condensed Financial Information - Additional Information (Details)
Jun. 30, 2017
Apr. 17, 2017
Mar. 29, 2017
Jul. 23, 2015
Condensed Financial Statements Captions [Line Items]        
Interest rate (as a percent) 6.00%      
7% Senior Notes        
Condensed Financial Statements Captions [Line Items]        
Interest rate (as a percent) 7.00%     7.00%
6% Senior Notes        
Condensed Financial Statements Captions [Line Items]        
Interest rate (as a percent) 6.00% 6.00% 6.00%