Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions |
Jun. 30, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Statement of Financial Position [Abstract] | ||
| Less: accumulated depreciation and amortization | $ 327.5 | $ 336.7 |
| Finite-lived intangibles, accumulated amortization | $ 29.6 | $ 26.1 |
| X | ||||||||||
- 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://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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