SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND NATURE OF BUSINESS (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Inventories
Inventory on consignment	$ 20.2	$ 19.4
Allowance for doubtful accounts
Activity in our allowance for doubtful accounts
Balance at beginning of period	4.5	4.2	10.0
Charged to costs and expenses, net of recoveries	3.4	1.6	(2.1)
Charged to other accounts	(0.1)
Deductions	(2.3)	(1.3)	(3.7)
Balance at end of period	$ 5.5	$ 4.5	$ 4.2