Long-Term Debt - Schedule of Amortization and Accumulated Amortization of Deferred Financing Costs (Details) - USD ($) $ in Millions	5 Months Ended	7 Months Ended	12 Months Ended
	Jun. 02, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Debt Disclosure [Abstract]
Amortization of deferred financing costs	$ 7.5	$ 3.2	$ 2.6	$ 4.5
Accumulated amortization of deferred financing costs		$ 3.2	$ 15.5	$ 12.8