Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATING FINANCIAL INFORMATION (Narrative) (Details)

v3.10.0.1
CONDENSED CONSOLIDATING FINANCIAL INFORMATION (Narrative) (Details) - Senior notes - USD ($)
Oct. 11, 2017
Dec. 21, 2016
Oct. 14, 2016
Apr. 21, 2015
6.625% senior unsecured notes due 2023        
Condensed Financial Statements, Captions [Line Items]        
Debt instrument, amount       $ 350,000,000.0
6.000% senior unsecured notes due 2024        
Condensed Financial Statements, Captions [Line Items]        
Debt instrument, amount     $ 650,000,000.0  
6.375% senior unsecured notes due 2025        
Condensed Financial Statements, Captions [Line Items]        
Debt instrument, amount   $ 600,000,000.0    
6.375% senior unsecured notes due 2026        
Condensed Financial Statements, Captions [Line Items]        
Debt instrument, amount $ 450,000,000.0