Note 12. Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2023

Accumulated Other Comprehensive Income (Loss) [Line Items]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Changes in AOCI for the years ended December 31, 2023 and 2022 are as follows:

	Currency translation adjustments		Unrealized gains/(losses) on derivative financial instruments		Net actuarial gains/(losses) of defined benefit plans		Accumulated other comprehensive income (loss)
	(in millions)
Balances at December 31, 2021	$	(1.3)	$	(12.2)	$	(3.5)	$	(17.0)
Other comprehensive income, net of tax, before reclassifications	—		29.3		2.1		31.4
Amounts reclassified from AOCI, net of tax benefit of $—, $0.8, $0.1, and $0.9	—		3.5		0.2		3.7
Amounts reclassified to discontinued operations, net of tax	1.3		—		—		1.3
Less: noncontrolling interest	—		0.3		—		0.3
Other comprehensive income	1.3		33.1		2.3		36.7
Balances at December 31, 2022	—		20.9		(1.2)		19.7
Other comprehensive income (loss), net of tax, before reclassifications	—		10.6		(0.3)		10.3
Amounts reclassified from AOCI, net of tax benefit (expense) of $—, $7.4, $—, and $7.4	—		(26.1)		0.1		(26.0)
Less: noncontrolling interest	—		7.0		—		7.0
Other comprehensive income	—		(8.5)		(0.2)		(8.7)
Balances at December 31, 2023	$	—	$	12.4	$	(1.4)	$	11.0