Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign

Income taxes from continuing operations have been based on the following components of earnings (loss) from continuing operations before income taxes and equity in (earnings) loss of unconsolidated entity for the years ended December 31, 2021 and 2020:

	2021		2020
United States	$	52.4	$	(108.8)
Foreign	(5.4)		2.7
Total	$	47.0	$	(106.1)

Schedule of Components of Income Tax Expense (Benefit)

The components of income tax expense (benefit) from continuing operations for the years ended December 31, 2021, and 2020, were as follows:

	2021		2020
Federal:
Current	$	0.9	$	(47.3)
Deferred	3.2		32.3
State:
Current	—		(1.5)
Deferred	—		17.0
Foreign:
Current	3.3		0.6
Deferred	2.1		(0.8)
Total income tax expense	$	9.5	$	0.3

Schedule of Effective Income Tax Rate Reconciliation

The following table outlines the reconciliation of differences between the Federal statutory tax rate and the Company’s income tax expense (benefit) from continuing operations for the years ended December 31, 2021 and 2020:

	2021		2020
Federal statutory rate	$	9.9	$	(22.3)
Adjustment to valuation allowances	(17.1)		13.1
Impairment on investment in Plural	6.2		—
Impact from foreign branches	4.5		2.1
Adjustment of deferred tax liabilities	3.5		2.0
Foreign rate differential	(1.9)		(1.3)
Adjustment of uncertain tax positions	0.2		0.8
State taxes, net of federal benefit	(0.1)		15.4
Benefit of Net Operating Loss Carryback	—		(14.3)
Other	4.3		4.8
Income tax expense (benefit)	$	9.5	$	0.3

Schedule of Deferred Tax Assets and Liabilities

The significant deferred tax assets and liabilities as of December 31, 2021 and 2020, were as follows:

	2021		2020
Deferred tax assets:
Net operating loss and other tax carryforwards	$	125.2	$	145.9
Goodwill and intangible assets	24.4		19.0
Pension and workers compensation benefits	21.9		33.2
Accrued liabilities	12.9		20.5
Interest limitation	11.5		18.2
Accrued compensation	8.1		10.1
Allowance for doubtful accounts	6.5		7.2
Other	10.8		9.8
Total deferred tax assets	221.3		263.9
Valuation allowance	(116.3)		(143.9)
Net deferred tax assets	$	105.0	$	120.0
Deferred tax liabilities:
Property, plant and equipment	$	(99.2)	$	(103.8)
Other	(5.9)		(4.2)
Total deferred tax liabilities	(105.1)		(108.0)
Net deferred tax assets (liabilities)	$	(0.1)	$	12.0

Summary of Income Tax Contingencies

The following table summarizes the activity of the Company’s liability for unrecognized tax benefits at December 31, 2021 and 2020:

	2021		2020
Balance at beginning of period	$	11.6	$	17.8
Additions for tax positions of prior years	0.5		0.9
Reductions for tax positions of prior years	(0.3)		(6.1)
Lapses of applicable statutes of limitations	(0.1)		(1.0)
Balance at end of period	$	11.7	$	11.6

The following table summarizes the Company’s interest income related to tax uncertainties and refunds recognized during the years ended December 31, 2021 and 2020:

	2021		2020
Interest income	$	(0.5)	$	(0.3)
Refunds	(0.1)		—

Schedule of Accrued Interest and Penalties

The following table summarizes the Company’s liabilities for accrued interest and penalties related to income tax uncertainties at December 31, 2021 and 2020:

	December 31, 2021				December 31, 2020
	Accrued interest		Accrued penalties		Accrued interest		Accrued penalties
Other current liabilities	$	—	$	—	$	0.5	$	0.1
Other long-term liabilities	0.2		—		0.1		—
Total liabilities	$	0.2	$	—	$	0.6	$	0.1