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Restructuring Expenses (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Restructuring Cost and Reserve [Line Items]
Impairment charges				$ 36.0	$ 0.0
Benefit recorded in Net income (loss) attributable to noncontrolling interests	$ 0.1		$ (1.6)	14.9	(2.2)
Investment write-down included in Equity in net earnings of affiliate	$ (13.2)		$ (18.6)	$ (24.3)	$ (33.3)
Russian Finance Joint Venture
Restructuring Cost and Reserve [Line Items]
Investment write-down included in Equity in net earnings of affiliate		$ 4.8
Russian Finance Joint Venture \| Entity under Time-Limited General License
Restructuring Cost and Reserve [Line Items]
Impairment charges		36.0
Benefit recorded in Net income (loss) attributable to noncontrolling interests		$ 12.2