DEBT - SCHEDULE OF SHORT-TERM DEBT (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Short-term Debt [Line Items]
Total short-term borrowings and current portion of long-term debt	$ 111.3	$ 480.0
Capital Lease Obligations, Current	0.5	0
Zero-coupon convertible subordinated notes [Member]
Short-term Debt [Line Items]
Total short-term borrowings and current portion of long-term debt	110.8	130.0
Senior notes due 2013 [Member]
Short-term Debt [Line Items]
Total short-term borrowings and current portion of long-term debt	$ 0	$ 350.0