Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

	2024		2023		2022
U.S.	$	(1,581.3)	$	(329.7)	$	(467.2)
International	(560.3)		(263.6)		(72.2)
Total (before equity earnings)	$	(2,141.6)	$	(593.3)	$	(539.4)

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	2024		2023		2022
Current
Federal	$	0.1	$	1.4	$	(4.5)
State	(11.0)		—		(0.7)
Foreign	4.2		2.7		1.7
Total current	$	(6.7)	$	4.1	$	(3.5)
Deferred
Federal	$	2.0	$	11.1	$	10.2
State	(1.5)		3.2		2.5
Foreign	3.8		4.1		(4.0)
Total deferred	4.3		18.4		8.7
Total income tax provision (benefit)	$	(2.4)	$	22.5	$	5.2

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	2024				2023				2022
Tax at U.S. Federal statutory rate	$	(449.7)	21.0	%	$	(124.6)	21.0	%	$	(113.3)	21.0	%
State income taxes, net of Federal benefit	(51.1)		2.4		(6.4)		1.1		(9.6)		1.8
State income tax credits, net of Federal benefit	(1.4)		—		(8.6)		1.4		(15.6)		2.9
Foreign rate differences	(25.5)		1.2		(12.1)		2.0		(3.5)		0.6
Research and experimentation	(4.8)		0.2		(4.2)		0.7		(5.2)		1.0
Excess tax benefits	—		—		0.9		(0.2)		0.4		(0.1)
Non-deductible expenses	10.2		(0.5)		17.2		(2.9)		4.2		(0.8)
Re-measurement of Deferred Taxes	0.8		—		(9.0)		1.5		(7.1)		1.3
Global Intangible Low-Taxed Income (GILTI) Tax	—		—		—		—		(1.8)		0.3
Valuation Allowance	514.3		(24.0)		154.5		(26.0)		170.6		(31.6)
Previously unrecognized tax benefit	2.1		(0.1)		(0.3)		0.1		(10.6)		2.0
Other	2.7		(0.1)		15.1		(2.5)		(3.3)		0.6
Total income tax provision (benefit)	$	(2.4)	0.1	%	$	22.5	(3.8)	%	$	5.2	(1.0)	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	2024		2023
Depreciation and amortization	$	(45.4)	$	(87.7)
Long-term contracts	(39.0)		125.3
State income tax credits	143.6		154.1
Net operating loss carryforward	1,084.0		489.7
Accruals and reserves	59.3		47.3
Employee compensation accruals	36.3		26.9
Pension and other employee benefit plans	(27.5)		(15.9)
Interest expense limitation	116.4		89.9
Post-retirement benefits other than pensions	7.4		8.9
Other	37.3		19.7
Inventory	0.6		0.9
Interest swap contracts	(0.2)		(0.7)
Net deferred tax asset before valuation allowance	1,372.8		858.4
Valuation allowance	(1,380.5)		(867.4)
Net deferred tax asset (liability)	(7.7)		(9.0)

Schedule of Unrecognized Tax Benefits Roll Forward

	2024		2023		2022
Beginning balance at January 1	$	7.1	$	8.1	$	18.3
Gross increases (decreases) related to current period tax positions	0.4		(0.4)		0.4
Gross increases related to prior period tax positions	2.3		—		—
Statute of limitations’ expiration	—		(0.6)		(10.6)
Ending balance at December 31	$	9.8	$	7.1	$	8.1