LONG-TERM DEBT (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Sep. 28, 2010	Nov. 23, 2010	Feb. 08, 2011	Mar. 08, 2011	Oct. 04, 2012	Jul. 12, 2013	Dec. 02, 2013	Feb. 17, 2015	Jan. 30, 2015
Long-term debt, net of unamortized debt discount [Line Items]
Total long-term debt	$ 15,254,600,000	$ 17,367,700,000
Less current portion	(900,000)	(204,800,000)
Total long-term debt	15,253,700,000	17,162,900,000
Unamortized debt discount	136,400,000
Total fair value of long-term debt	15,800,000,000	18,400,000,000
Revolving credit facility
Long-term debt, net of unamortized debt discount [Line Items]
Total long-term debt	165,000,000	0
Series A-1 Tranche A Term Loan Facility
Long-term debt, net of unamortized debt discount [Line Items]
Total long-term debt	139,600,000	259,000,000
Unamortized debt discount	1,400,000	3,600,000
Series A-2 Tranche A Term Loan Facility
Long-term debt, net of unamortized debt discount [Line Items]
Total long-term debt	135,700,000	228,100,000
Unamortized debt discount	2,500,000	6,200,000
Series A-3 Tranche A Term Loan Facility
Long-term debt, net of unamortized debt discount [Line Items]
Total long-term debt	1,637,900,000	1,935,700,000
Unamortized debt discount	22,400,000	35,400,000
Series D-2 Tranche B Term Loan Facility
Long-term debt, net of unamortized debt discount [Line Items]
Total long-term debt	1,089,700,000	1,256,700,000
Unamortized debt discount	18,900,000	27,000,000
Series C-2 Tranche B Term Loan Facility
Long-term debt, net of unamortized debt discount [Line Items]
Total long-term debt	838,300,000	966,800,000
Unamortized debt discount	14,500,000	20,700,000
Series E-1 Tranche B Term Loan Facility
Long-term debt, net of unamortized debt discount [Line Items]
Total long-term debt	2,544,900,000	3,090,500,000
Unamortized debt discount	2,900,000	85,500,000
6.75% Senior Notes due in October 2017
Long-term debt, net of unamortized debt discount [Line Items]
Total long-term debt	0	498,700,000
Unamortized debt discount		1,300,000
Stated interest rate (as a percent)	6.75%	6.75%	6.75%
6.875% Senior Notes due in December 2018
Long-term debt, net of unamortized debt discount [Line Items]
Total long-term debt	497,700,000	940,200,000
Unamortized debt discount	1,900,000	4,400,000
Stated interest rate (as a percent)	6.875%	6.875%		6.875%
7.00% Senior Notes due in October 2020
Long-term debt, net of unamortized debt discount [Line Items]
Total long-term debt	687,500,000	687,100,000
Unamortized debt discount	2,500,000	2,900,000
Stated interest rate (as a percent)	7.00%	7.00%	7.00%
6.75% Senior Notes due in August 2021
Long-term debt, net of unamortized debt discount [Line Items]
Total long-term debt	650,000,000	650,000,000
Stated interest rate (as a percent)	6.75%	6.75%			6.75%
7.25% Senior Notes due in July 2022
Long-term debt, net of unamortized debt discount [Line Items]
Total long-term debt	543,200,000	542,200,000
Unamortized debt discount	6,800,000	7,800,000
Stated interest rate (as a percent)	7.25%	7.25%				7.25%
6.375% Senior Notes due in October 2020
Long-term debt, net of unamortized debt discount [Line Items]
Total long-term debt	2,225,600,000	2,221,400,000
Unamortized debt discount	24,400,000	28,600,000
Stated interest rate (as a percent)	6.375%	6.375%					6.375%
6.75% Senior Notes due August 2018
Long-term debt, net of unamortized debt discount [Line Items]
Total long-term debt	1,585,800,000	1,581,900,000
Unamortized debt discount	14,200,000	18,200,000
Stated interest rate (as a percent)	6.75%	6.75%						6.75%
7.50% Senior Notes due July 2021
Long-term debt, net of unamortized debt discount [Line Items]
Total long-term debt	1,608,400,000	1,605,900,000
Unamortized debt discount	16,600,000	19,100,000
Stated interest rate (as a percent)	7.50%	7.50%
5.625 % Senior Notes due December 2021
Long-term debt, net of unamortized debt discount [Line Items]
Total long-term debt	892,600,000	891,500,000
Unamortized debt discount	7,400,000	8,500,000
Stated interest rate (as a percent)	5.625%	5.625%							5.625%
Other
Long-term debt, net of unamortized debt discount [Line Items]
Total long-term debt	12,700,000	12,000,000
Subsequent event | 6.875% Senior Notes due in December 2018
Long-term debt, net of unamortized debt discount [Line Items]
Total long-term debt										$ 499,600,000
Stated interest rate (as a percent)										6.875%
Subsequent event | 5.50% Senior Notes due 2023
Long-term debt, net of unamortized debt discount [Line Items]
Stated interest rate (as a percent)											5.50%