Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Accounts receivable, net of allowance for doubtful accounts and customer deductions of $12.4 million and $11.3 million as of June 30, 2015, and December 31, 2014, respectively	$ 12.4	$ 11.3
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	300,000,000	300,000,000
Common stock, shares issued	97,900,000	98,400,000