Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Income Tax Disclosure [Abstract]

Summary of Income (Loss) from Continuing Operations Before Income Taxes

Income (loss) before income taxes for the years ended December 31, 2022, 2021 and 2020 is summarized as follows:

	2022			2021			2020
Income (loss) before income taxes:
United States	$	(203.8	)	$	(39.0	)	$	(51.6	)
Foreign		83.6			56.1			49.6
Total	$	(120.2	)	$	17.1		$	(2.0	)

Schedule of Income Tax Expense (Benefit)

Income tax provision for the years ended December 31, 2022, 2021 and 2020 is summarized as follows:

	2022			2021			2020
Current:
United States federal and state	$	(11.7	)	$	(1.2	)	$	(4.3	)
Foreign		10.9			7.9			16.6
Total current	$	(0.8	)	$	6.7		$	12.3
Deferred:
United States federal and state	$	(2.4	)	$	0.6		$	0.3
Foreign		6.6			(1.2	)		4.5
Total deferred	$	4.2		$	(0.6	)	$	4.8
Income tax provision	$	3.4		$	6.1		$	17.1

The items accounting for the difference between income taxes computed at the United States

Reconciliation of the U.S. Federal Statutory Income Tax Rate to the Company's Effective Income Tax Rate for Continuing Operations

The items accounting for the difference between income taxes computed at the United States federal statutory rate and the Company's effective rate for the years ended December 31, 2022, 2021 and 2020 is summarized as follows:

	2022			2021			2020
Federal income tax at statutory rate	$	(25.2	)	$	3.6		$	(0.4	)
State income tax provision		0.9			0.3			1.9
Manufacturing and research incentives		(0.5	)		(0.2	)		(0.8	)
Taxes on foreign income which differ from the federal    statutory rate		(1.9	)		1.5			—
Adjustments for unrecognized tax benefits		(11.0	)		(2.3	)		10.7
Adjustments for valuation allowances		5.2			4.5			22.2
United States tax reform		4.8			(1.6	)		(14.6	)
Goodwill impairment		31.7						—
Other items		(0.6	)		0.3			(1.9	)
Income tax provision	$	3.4		$	6.1		$	17.1

Schedules of Deferred Tax Assets (Liabilities)

Temporary differences and carryforwards that give rise to deferred tax assets and liabilities are summarized as follows:

	2022			2021
Deferred income tax assets:
Inventories	$	25.3		$	23.9
Deferred employee benefits		28.2			30.8
Product warranty reserves		8.7			8.9
Product liability reserves		2.2			2.0
Tax credits		7.2			7.4
Loss and other tax attribute carryforwards		129.6			151.1
Deferred revenue		0.2			2.4
Other		18.6			20.6
Total deferred income tax assets		220.0			247.1
Less valuation allowance		(174.1	)		(170.5	)
Net deferred income tax assets	$	45.9		$	76.6
Deferred income tax liabilities
Accounts receivable	$	4.0		$	1.5
Property, plant and equipment		5.1			23.0
Intangible assets		28.0			34.7
Total deferred income tax liabilities	$	37.1		$	59.2
Net deferred income tax assets	$	8.8		$	17.4

The net deferred tax assets reflected in the Consolidated Balance Sheets for the years ended December 31, 2022 and 2021 are summarized as follows:

	2022			2021
Long-term income tax assets, included in    other non-current assets	$	13.7		$	23.9
Long-term deferred income tax liability		(4.9	)		(6.5	)
Net deferred income tax asset	$	8.8		$	17.4

Schedule of Open Tax Years for Which the Company could be Subject to Income Tax Examination

Jurisdiction	Open Years
U.S. federal	2016 — 2022
China	2013 — 2022
France	2020 — 2022
Germany	2018 — 2022

Reconciliation of the Beginning and Ending Amount of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits excluding interest and penalties as of December 31, 2022, 2021 and 2020 are summarized as follows:

	2022			2021			2020
Balance at beginning of year	$	18.4		$	20.1		$	11.5
Additions for tax positions of current year		0.1			0.1			0.3
Additions for tax positions of prior years		3.6			—			10.9
Reductions for tax positions of prior years		(11.0	)		(0.2	)		(0.4	)
Reductions based on settlements with tax    authorities		—			(0.2	)		(2.1	)
Reductions for lapse of statute of limitations		(2.0	)		(1.4	)		(0.1	)
Balance at end of year	$	9.1		$	18.4		$	20.1