Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2019 |
Jun. 30, 2018 |
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| Statement of Comprehensive Income [Abstract] | ||||
| Unrealized gain (loss) on interest rate swaps, tax benefit (provision) | $ 0.4 | $ 0.0 | $ 0.1 | $ 0.0 |
| Unrealized gain (loss) on available-for-sale securities, tax (benefit) provision | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.0 |
| X | ||||||||||
- Definition Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of tax expense (benefit) before reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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