Income Taxes Summary of Valuation Allowance (Tables)

12 Months Ended

Dec. 31, 2022

Income Tax Disclosure [Abstract]

Summary of Valuation Allowance [Table Text Block]

The change in the valuation allowance is listed below.

	Years ended December 31,
	2022		2021		2020
Balance at beginning of period	$	146.0	$	197.1	$	164.2
Charged (reversed) to costs and expenses	8.9		(45.1)		17.3
Charged to gross tax assets and other accounts 1	0.6		0.9		9.9
Foreign currency translation	(9.7)		(6.9)		5.7
Balance at end of period	$	145.8	$	146.0	$	197.1