Employee Benefit Plans (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Oct. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Change in benefit obligation:
Pension settlement	$ (5.5)
Pension Plan
Change in benefit obligation:
Benefit obligation, beginning of year		$ 18.4	$ 17.1
Interest cost		0.4	0.5	$ 0.6
Actuarial (gain) loss		(0.3)	1.6
Benefits paid		(0.8)	(0.8)
Pension settlement		(17.7)	0.0
Benefit obligation, end of year		0.0	18.4	17.1
Accumulated benefit obligation		0.0	18.4
Change in plan assets:
Fair value of plan assets, beginning of year		19.4	18.0
Actual gain on plan assets		0.6	2.2
Excess plan assets returned		(1.5)	0.0
Benefits paid		(0.8)	(0.8)
Pension settlement		(17.7)	0.0
Fair value of plan assets, end of year		0.0	19.4	$ 18.0
Funded status, end of year		0.0	1.0
Amounts recognized in the consolidated balance sheets:
Net amount recognized		0.0	1.0
Amounts recognized in accumulated other comprehensive loss consist of:
Amounts recognized in accumulated other comprehensive loss consist of:		0.0	4.9
Net loss		$ 0.0	$ 4.9
Weighted average assumptions used to determine the benefit obligation
Discount rate			2.30%