Schedule of Pension Plans and their Reconciliation (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Retirement Benefits [Abstract]
Benefit obligation at beginning of period	$ 127.8	$ 110.4
Interest cost	0.8	2.2
Actuarial (gain)/loss	(7.1)	14.5
Benefits paid	(1.3)	(4.1)
Foreign currency translation adjustments	1.6	4.8
Benefit obligation at end of period	121.8	127.8
Fair value of plan assets at beginning of period	118.7	107.3
Actual (loss)/gain on plan assets	(0.6)	9.8
Employer contributions	0.6	1.6
Benefits paid	(1.3)	(4.1)
Foreign currency translation adjustments	1.4	4.1
Fair value of assets at end of period	118.8	118.7
Unfunded status (non-current)	(3.0)	(9.1)
Net amount recognized	$ (3.0)	$ (9.1)