Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) shares in Millions, $ in Millions |
Jun. 30, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Statement Of Financial Position [Abstract] | ||
| Allowance for doubtful accounts | $ 4.1 | $ 1.9 |
| Property, accumulated depreciation and amortization | $ 427.5 | $ 393.2 |
| Common shares, par value | $ 0.001 | $ 0.001 |
| Common shares, shares authorized | 1,000.0 | 1,000.0 |
| Common shares, shares outstanding | 92.5 | 92.2 |
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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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