Restructuring Charges Segments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ (1.7)	$ (0.1)	$ (0.1)	$ 6.5
Lease impairment costs	(2.4)	0.0	(1.2)	5.3
IA&C
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0.0	(0.1)	0.3	6.1
Lease impairment costs	(0.2)		(0.2)	5.2
SC&E
Restructuring Cost and Reserve [Line Items]
Restructuring charges	(0.4)	0.0	0.9	0.4
Lease impairment costs	(1.0)		0.3	0.2
Corporate and Other
Restructuring Cost and Reserve [Line Items]
Restructuring charges	(0.1)	0.0	(0.1)	0.1
MD&E
Restructuring Cost and Reserve [Line Items]
Restructuring charges	(1.2)	$ 0.0	(1.2)	(0.1)
Lease impairment costs	$ (1.2)		$ (1.3)	$ (0.1)