FAIR VALUE MEASUREMENTS (Details 1) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	$ 6.5	$ 8.3	$ 8.9
Commodity forward contracts		7.6	8.9
Interest rate swaps	8.1	10.2	10.9
Commodity forward contracts	1.5
Earn out	25.2	42.0	37.6
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	0	0	0
Commodity forward contracts		0.1	3.2
Interest rate swaps	0	0	0
Commodity forward contracts	0
Earn out	0	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	6.5	8.3	8.9
Commodity forward contracts		7.5	5.7
Interest rate swaps	8.1	10.2	10.9
Commodity forward contracts	1.5
Earn out	0	0	0
Fair Value, Inputs, Level 3 [Member]
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	$ 25.2	$ 42.0	$ 37.6