FAIR VALUE MEASUREMENTS (Details 1) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	$ 4.7	$ 5.9	$ 7.0
Commodity forward contracts	0.9	1.3
Interest rate swaps	5.9	7.3	8.8
Commodity forward contracts			7.9
Earn out		26.7	23.3
Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	0	0	0
Commodity forward contracts	0	0
Interest rate swaps	0	0	0
Commodity forward contracts			0.3
Earn out		0	0
Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	4.7	5.9	7.0
Commodity forward contracts	0.9	1.3
Interest rate swaps	5.9	7.3	8.8
Commodity forward contracts			7.6
Earn out		0	0
Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	0	0	0
Commodity forward contracts	0	0
Interest rate swaps	0	0	0
Commodity forward contracts			0
Earn out		$ 26.7	$ 23.3