Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Millions, $ in Millions |
Sep. 30, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Statement of Financial Position [Abstract] | ||
| Accounts receivable, net of allowance for doubtful accounts and customer deductions of $9.4 million and $10.3 million as of September 30, 2016 and December 31, 2015, respectively | $ 9.4 | $ 10.3 |
| Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01 |
| Common stock, shares authorized | 300.0 | 300.0 |
| Common stock, shares issued | 94.2 | 96.1 |