LONG-TERM DEBT (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Long-term debt, net of unamortized debt discount
Total long-term debt	$ 17,386.9	$ 17,367.7
Less current portion	(238.9)	(204.8)
Total long-term debt	17,148.0	17,162.9
Series A-1 Tranche A Term Loan Facility
Long-term debt, net of unamortized debt discount
Total long-term debt	241.5	259.0
Series A-2 Tranche A Term Loan Facility
Long-term debt, net of unamortized debt discount
Total long-term debt	215.8	228.1
Series A-3 Tranche A Term Loan Facility
Long-term debt, net of unamortized debt discount
Total long-term debt	2,136.3	1,935.7
Series D-2 Tranche B Term Loan Facility
Long-term debt, net of unamortized debt discount
Total long-term debt	1,254.8	1,256.7
Series C-2 Tranche B Term Loan Facility
Long-term debt, net of unamortized debt discount
Total long-term debt	965.3	966.8
Series E-1 Tranche B Term Loan Facility
Long-term debt, net of unamortized debt discount
Total long-term debt	2,938.8	3,090.5
6.75% Senior Notes due in October 2017
Long-term debt, net of unamortized debt discount
Total long-term debt	498.8	498.7
Interest rate on debt (as a percent)	6.75%	6.75%
6.875% Senior Notes due in December 2018
Long-term debt, net of unamortized debt discount
Total long-term debt	940.4	940.2
Interest rate on debt (as a percent)	6.875%	6.875%
7.00% Senior Notes due in October 2020
Long-term debt, net of unamortized debt discount
Total long-term debt	687.2	687.1
Interest rate on debt (as a percent)	7.00%	7.00%
6.75% Senior Notes due in August 2021
Long-term debt, net of unamortized debt discount
Total long-term debt	650.0	650.0
Interest rate on debt (as a percent)	6.75%	6.75%
7.25% Senior Notes due in July 2022
Long-term debt, net of unamortized debt discount
Total long-term debt	542.5	542.2
Interest rate on debt (as a percent)	7.25%	7.25%
6.375% Senior Notes due in October 2020
Long-term debt, net of unamortized debt discount
Total long-term debt	2,222.4	2,221.4
Interest rate on debt (as a percent)	6.375%	6.375%
6.75% Senior Notes due in August 2018
Long-term debt, net of unamortized debt discount
Total long-term debt	1,582.8	1,581.9
Interest rate on debt (as a percent)	6.75%	6.75%
7.50% Senior Notes due in July 2021
Long-term debt, net of unamortized debt discount
Total long-term debt	1,606.5	1,605.9
Interest rate on debt (as a percent)	7.50%	7.50%
5.625% Senior Notes due in December 2021
Long-term debt, net of unamortized debt discount
Total long-term debt	891.8	891.5
Interest rate on debt (as a percent)	5.625%	5.625%
Other
Long-term debt, net of unamortized debt discount
Total long-term debt	12.0	12.0
Revolving Credit Facility
Long-term debt, net of unamortized debt discount
Total long-term debt	$ 0	$ 0