CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement of Stockholders' Equity [Abstract]
Acquisition of remaining portion of non-controlling interest, tax			$ 9.8
Stock-based employee compensation charges, tax	0	0.4	0
Proceeds from employee stock purchase plan, tax	$ 0	$ 0	$ 0

Amount of increase (decrease) in additional paid in capital (APIC) resulting from a tax benefit (deficiency) associated with an share-based compensation plan other than an employee stock ownership plan (ESOP).

No definition available.

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