Employee Benefit Plans (Plans' Funded Status) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Changes in plan assets:
Fair value of plan assets at beginning of year	$ 184.3
Fair value of plan assets at end of year	131.1	$ 184.3
Pension Benefits [Member]
Pension and Postretirement Benefit Plans recognized in financial statements
Accumulated benefit obligation	171.6	266.1
Changes in projected benefit obligation:
Benefit obligation at beginning of year	269.2	276.2
Service cost	3.8	6.1	$ 5.5
Interest cost	6.2	5.1	6.6
Actuarial (gain) loss	(74.6)	(11.2)
Effect of exchange rates	(3.4)	(0.7)
Settlements and curtailments	(21.7)	(2.1)
Benefits paid	(5.2)	(4.2)
Benefit obligation at end of year	174.3	269.2	276.2
Changes in plan assets:
Fair value of plan assets at beginning of year	184.3	179.7
Actual gain return on plan assets	(45.4)	9.5
Employer contribution	22.5	1.5
Effect of exchange rates	(3.4)	(0.1)
Plan settlements	(21.7)	(2.1)
Benefits paid	(5.2)	(4.2)
Fair value of plan assets at end of year	131.1	184.3	$ 179.7
Funded status / net amount recognized	(43.2)	(84.9)
Net amount recognized consists of:
Non-current assets	2.7	6.5
Current liability	(5.8)	(8.1)
Non-current liability	(40.1)	(83.3)
Net amount recognized	$ (43.2)	$ (84.9)