Strategic Transformation and Restructuring and Other Asset Charges - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Oct. 31, 2020
Restructuring charges:
Restructuring reserve	$ 0.4		$ 1.2
Assets held for sale	20.5		5.1
Disposal group, including discontinued operation, consideration					$ 6.9
Disposal group, accounts payable, current				$ 1.1
Enid Exit Plan
Restructuring charges:
Assets held for sale	5.1		$ 5.1
Tacoma Exit Plan
Restructuring charges:
Assets held for sale	15.4
Facility Closing | Enid Exit Plan
Restructuring charges:
Business exit costs	0.2	$ 0.0
Facility Closing | Mequon Exit Plan
Restructuring charges:
Business exit costs	0.0	0.4
Facility Closing | Tacoma Exit Plan
Restructuring charges:
Business exit costs	0.8	0.4
SFG Initiative
Restructuring charges:
Restructuring costs	$ 5.3	$ 3.2