Equity Equity (Other Comprehensive Income in Noncontrolling Interest) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Noncontrolling Interest [Line Items]
Other comprehensive income (loss), net of tax	$ (130.2)	$ (6.6)	$ 242.8
Noncontrolling interest [Member]
Noncontrolling Interest [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax, Portion Attributable to Noncontrolling Interest	(1.9)	(1.7)	2.7
Other comprehensive income (loss), net of tax	(1.6)	(0.5)	$ 2.7
Accumulated Defined Benefit Plans Adjustment Attributable to Noncontrolling Interest
Noncontrolling Interest [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest	$ 0.3	$ 1.2