CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Accounts receivable, reserves (in dollars)	$ 55.2	$ 60.3
Property, plant, and equipment, accumulated depreciation (in dollars)	$ 3,227.2	$ 3,322.0
Common stock, par value (in dollars per share)	$ 0.01	$ 1
Common stock, shares authorized	1,000	200,000,000
Common stock, shares issued	1,000	79,963,091
Common stock, shares outstanding	1,000	79,534,171
Preferred stock of subsidiary, par value (in dollars per share)	$ 100
Preferred stock of subsidiary, shares authorized	1,000,000
Preferred stock of subsidiary, shares issued	511,882
Preferred stock of subsidiary, shares outstanding	510,495