Condensed Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($) $ in Millions	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Dec. 31, 2019
Tax benefit (provision) of unrealized gain (loss) on interest rate swap	$ (1.5)	$ (2.9)	$ 11.2	$ 4.3
Interest Expense
Tax benefit (provision) of reclassification adjustment	$ 0.7	$ (0.1)	$ 0.9	$ (0.2)

Amount of tax expense (benefit) for reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e640-108580

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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