Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jan. 01, 2022

Accounting Policies [Abstract]

Schedule of Accounts, Notes Receivable and Allowance for Doubtful Accounts

	January 1,			January 2,
	2022			2021
	(in thousands)
Accounts receivable	$	145,923		$	96,560
Less: Allowance for credit losses		(4,702	)		(3,716	)
Accounts receivable, net	$	141,221		$	92,844

Information Regarding Warranty Accrual

The following provides information with respect to our warranty accrual.

Accrued Warranty		Beginning of Period		Acquired		Charged to Expense		Adjustments			Settlements			End of Period
	(in thousands)
Year ended January 1, 2022		$	8,001	$	4,150	$	23,637	$	(1,440	)	$	(20,844	)	$	13,504
Year ended January 2, 2021		$	6,244	$	3,515	$	15,256	$	266		$	(17,280	)	$	8,001
Year ended December 28, 2019		$	6,149	$	-	$	12,720	$	570		$	(13,195	)	$	6,244

Inventories

Inventories consist of the following:

	January 1,		January 2,
	2022		2021
	(in thousands)
Raw materials	$	87,164	$	55,916
Work in progress		3,248		4,058
Finished goods		1,028		343
Inventories	$	91,440	$	60,317

Schedule of Property, Plant and Equipment

Property, plant and equipment are recorded at cost and depreciated using the straight-line method over the estimated useful lives of the related assets. Depreciable assets are assigned estimated lives as follows:

Building and improvements	5 to 40 years
Leasehold improvements	Shorter of lease term or estimated useful life
Furniture and equipment	3 to 10 years
Vehicles	5 to 10 years
Computer software	3 years

Calculation of EPS and Reconciliation of Weighted Average Common Shares Used in the Calculation of Basic and Diluted EPS

The table below presents the calculation of basic and diluted earnings per share, including a reconciliation of weighted average common shares:

	Year Ended
	January 1,			January 2,		December 28,
	2022			2021		2019
	(in thousands, except per share amounts)
Net income	$	35,196		$	45,108	$	43,688
Less: Net income attributable to redeemable non-controlling interest		(2,318	)		—		—
Net income attributable to the Company		32,878			45,108		43,688
Change in redemption value of redeemable non-controlling interest		(6,081	)		—		—
Net income attributable to common shareholders	$	26,797		$	45,108	$	43,688
Weighted-average common shares - Basic		59,518			58,887		58,346
Add: Dilutive shares from equity plans		540			473		804
Weighted-average common shares - Diluted		60,058			59,360		59,150
Weighted average number of common shares outstanding:
Basic	$	0.45		$	0.77	$	0.75
Diluted	$	0.45		$	0.76	$	0.74

Schedule of Supplemental Cash Flow Information and Non-Cash Activity

The table below presents supplemental cash flow information and non-cash activity for the years ended January 1, 2022, January 2, 2021, and December 28, 2019:

	Year Ended
	January 1,			January 2,			December 28,
(in thousands)	2022			2021			2019
Supplemental cash flow information:
Interest paid	$	32,636		$	25,156		$	24,455
Income tax payments, net of refunds	$	12,166		$	9,242		$	11,862
Non-cash activity:
Establish right-of-use asset, net of straight-line rent in 2019	$	65,678		$	19,185		$	31,332
Establish operating lease liability	$	(65,678	)	$	(19,185	)	$	(33,072	)
Reclassification of accounts receivable to notes receivable	$	—		$	1,437		$	4,401
Property, plant and equipment additions in accounts payable	$	772		$	61		$	449