LONG-TERM DEBT - Summary of Consolidated Long-term Debt (Details) - USD ($) $ in Millions	Sep. 30, 2016	May 19, 2016	Apr. 22, 2016	Apr. 12, 2016	Dec. 31, 2015	Mar. 27, 2015
Long-term debt, net of unamortized debt discount
Total long-term debt	$ 30,445.2				$ 31,088.4
Less current portion	(59.0)				(823.0)
Total long-term debt	30,386.2				30,265.4
Series A-1 Tranche A Term Loan Facility
Long-term debt, net of unamortized debt discount
Total long-term debt	0.0				140.4
Series A-2 Tranche A Term Loan Facility
Long-term debt, net of unamortized debt discount
Total long-term debt	0.0				137.3
Series A-3 Tranche A Term Loan Facility
Long-term debt, net of unamortized debt discount
Total long-term debt	1,129.0				1,881.5
Series A-4 Tranche Term Loan Facility
Long-term debt, net of unamortized debt discount
Total long-term debt	763.0				951.3
Series D-2 Tranche B Term Loan Facility
Long-term debt, net of unamortized debt discount
Total long-term debt	1,052.7				1,087.5
Series C-2 Tranche B Term Loan Facility
Long-term debt, net of unamortized debt discount
Total long-term debt	808.2				835.1
Series E-1 Tranche B Term Loan Facility
Long-term debt, net of unamortized debt discount
Total long-term debt	2,441.3				2,531.2
Series F Tranche B Term Loan Facility
Long-term debt, net of unamortized debt discount
Total long-term debt	$ 3,853.4				$ 4,055.8
7.00% Senior Notes due in October 2020
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	7.00%				7.00%
Total long-term debt	$ 688.3				$ 688.0
6.75% Senior Notes due in August 2021
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	6.75%				6.75%
Total long-term debt	$ 646.6				$ 646.1
7.25% Senior Notes due in July 2022
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	7.25%	7.25%	7.25%		7.25%
Total long-term debt	$ 543.0				$ 542.1
6.375% Senior Notes due in October 2020
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	6.375%		6.375%		6.375%
Total long-term debt	$ 2,230.1				$ 2,226.5
6.75% Senior Notes due in August 2018
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	6.75%				6.75%
Total long-term debt	$ 1,592.0				$ 1,588.8
7.50% Senior Notes due in July 2021
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	7.50%	7.50%	7.50%		7.50%
Total long-term debt	$ 1,611.8				$ 1,609.7
5.625% Senior Notes due in December 2021
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	5.625%				5.625%
Total long-term debt	$ 894.1				$ 893.2
5.50% Senior Notes due March 2023
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	5.50%	5.50%		5.50%	5.50%
Total long-term debt	$ 991.6				$ 990.6
5.375% Senior Notes due March 2020
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	5.375%		5.375%		5.375%
Total long-term debt	$ 1,983.4				$ 1,979.9
5.875% Senior Notes due May 2023
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	5.875%				5.875%
Total long-term debt	$ 3,218.5				$ 3,215.0
4.50% Senior Notes due May 2023
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	4.50%				4.50%	4.50%
Total long-term debt	$ 1,668.8				$ 1,611.8
6.125% Senior Notes due April 2025
Long-term debt, net of unamortized debt discount
Stated interest rate on debt (as a percent)	6.125%				6.125%
Total long-term debt	$ 3,217.1				$ 3,214.3
Other
Long-term debt, net of unamortized debt discount
Total long-term debt	12.3				12.3
Revolving Credit Facility
Long-term debt, net of unamortized debt discount
Total long-term debt	$ 1,100.0				$ 250.0