Restructuring Charges Segments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ (0.1)	$ (0.2)	$ 6.5	$ 1.1
Lease impairment costs	0.0	(0.9)	5.3	(1.1)
IA&C
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ (0.1)	(0.4)	6.0
Lease impairment costs			5.1
SC&E
Restructuring Cost and Reserve [Line Items]
Restructuring charges		(0.1)	0.4	0.8
Lease impairment costs			$ 0.2
MD&E
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 0.2		$ 0.2