Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

Significant components of the provision for income taxes, including those related to non-controlling interest, are as follows:

	2022		2021		2020
Current:
Federal	$	29.8	$	14.1	$	18.4
State	8.3		4.0		6.0
Foreign	0.3		0.8		0.1
Current provision	38.5		18.8		24.5
Deferred:
Federal	(13.1)		(0.7)		(9.1)
State	(2.8)		0.4		(2.4)
Foreign	0.0		(0.1)		(0.6)
Deferred provision	(15.9)		(0.4)		(12.1)
Total income tax expense	$	22.5	$	18.5	$	12.5

Schedule of Effective Income Tax Rate Reconciliation

The differences between the actual tax expense and tax expense computed at the statutory United States federal tax rate are explained as follows:

	2022		2021		2020
Federal statutory tax expense	$	30.7	$	16.4	$	11.4
State taxes, net of federal tax effect	5.6		3.7		2.4
Credit for research activities	(4.2)		(4.0)		(3.9)
Valuation allowance	(7.1)		(0.2)		1.3
Goodwill impairment	—		0.1		1.5
Executive compensation limitation	1.4		1.2		0.5
Sale of foreign subsidiary	(4.2)		—		—
Other – net	0.3		1.2		(0.7)
Total income tax expense	$	22.5	$	18.5	$	12.5

Schedule of Deferred Tax Assets and Liabilities

Significant components of the Corporation’s deferred tax liabilities and assets are as follows:

	December 31, 2022		January 1, 2022
Deferred Taxes
Allowance for doubtful accounts	$	0.7	$	0.5
Compensation	7.2		7.3
Inventory differences	1.2		3.1
Stock-based compensation	7.9		7.9
Accrued post-retirement benefit obligations	4.4		5.7
Vacation accrual	3.9		3.2
Warranty accrual	4.2		4.4
Tax loss and tax credit carryforwards	5.8		10.2
Capital loss carryforward	0.1		2.1
Lease liability	27.3		23.4
Payroll deferral	—		2.1
Research and development capitalization	16.3		—
Other	2.6		8.0
Total deferred tax assets	$	81.7	$	77.9
Deferred income	(5.6)		(5.0)
Goodwill and other intangible assets	(48.1)		(49.7)
Prepaid expenses	(6.6)		(6.5)
Right of use asset	(24.7)		(23.1)
Tax over book depreciation	(53.0)		(56.6)
Total deferred tax liabilities	$	(137.9)	$	(141.0)
Valuation allowance	(4.2)		(11.3)
Total net deferred tax liabilities	$	(60.4)	$	(74.3)
Long-term net deferred tax assets	0.7		0.7
Long-term net deferred tax liabilities	(61.0)		(75.0)
Total net deferred tax liabilities	$	(60.4)	$	(74.3)

Summary of Valuation Allowance

The valuation allowance, which primarily relates to foreign deferred tax assets, is as follows:

	Balance at beginning of period		Charged to expenses		Balance at end of period
Year ended December 31, 2022	$	11.3	$	(7.1)	$	4.2
Year ended January 1, 2022	$	11.5	$	(0.2)	$	11.3
Year ended January 2, 2021	$	10.3	$	1.3	$	11.5

Summary of Income Tax Contingencies

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:

	2022		2021
Balance at beginning of period	$	2.2	$	2.2
Increases in positions taken in a prior period	—		0.1
New positions taken in a current period	0.5		0.6
Decrease due to lapse of statute of limitations	(0.5)		(0.7)
Balance at end of period	$	2.2	$	2.2