FAIR VALUE MEASUREMENTS (Details 1) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest Rate Swap Asset Fair Value Disclosure	$ 5.9	$ 8.3
Commodity Forward Contracts Asset Fair Value Disclosure	1.3	7.6
Interest Rate Swap Liability Fair Value Disclosure	7.3	10.2
Earn Out Liability Fair Value Disclosure	26.7	42.0
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest Rate Swap Asset Fair Value Disclosure	0	0
Commodity Forward Contracts Asset Fair Value Disclosure	0	0.1
Interest Rate Swap Liability Fair Value Disclosure	0	0
Earn Out Liability Fair Value Disclosure	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest Rate Swap Asset Fair Value Disclosure	5.9	8.3
Commodity Forward Contracts Asset Fair Value Disclosure	1.3	7.5
Interest Rate Swap Liability Fair Value Disclosure	7.3	10.2
Earn Out Liability Fair Value Disclosure	0	0
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest Rate Swap Asset Fair Value Disclosure	0	0
Commodity Forward Contracts Asset Fair Value Disclosure	0	0
Interest Rate Swap Liability Fair Value Disclosure	0	0
Earn Out Liability Fair Value Disclosure	$ 26.7	$ 42.0