CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME
Net income (loss)	$ 14.4	$ 36.4	$ (87.3)
Unrealized gain (loss) on derivative instrument, net of tax	9.0	(9.0)	(6.5)
Comprehensive income (loss)	$ 23.4	$ 27.4	$ (93.8)