Restructuring and Other Similar Charges - Schedule of Activity in Restructuring Accrual (Details) - USD ($) $ in Millions	12 Months Ended			177 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2025
Restructuring Reserve [Roll Forward]
Accrued restructuring costs, Beginning of period	$ 1.2	$ 1.3
Charges	9.6	13.5	$ 15.3	$ 77.9
Cash payments	(6.4)	(5.6)
Non-cash charges	(2.5)	(8.0)
Accrued restructuring costs, End of period	1.9	1.2	1.3	1.9
Employee termination benefits
Restructuring Reserve [Roll Forward]
Accrued restructuring costs, Beginning of period	1.1	0.7
Charges	3.2	2.1	3.4	39.1
Cash payments	(2.7)	(1.7)
Non-cash charges	0.0	0.0
Accrued restructuring costs, End of period	1.6	1.1	0.7	1.6
Asset impairment charges
Restructuring Reserve [Roll Forward]
Accrued restructuring costs, Beginning of period	0.0	0.0
Charges	2.5	8.0		13.0
Cash payments	0.0	0.0
Non-cash charges	(2.5)	(8.0)
Accrued restructuring costs, End of period	0.0	0.0	0.0	0.0
Contract termination and other associated costs
Restructuring Reserve [Roll Forward]
Accrued restructuring costs, Beginning of period	0.1	0.6
Charges	3.9	3.4	9.4	25.8
Cash payments	(3.7)	(3.9)
Non-cash charges	0.0	0.0
Accrued restructuring costs, End of period	$ 0.3	$ 0.1	$ 0.6	$ 0.3