Commitments and Contingencies (Details) ft² in Thousands, $ in Thousands	3 Months Ended			9 Months Ended		12 Months Ended
	Oct. 01, 2022 USD ($)	Jul. 02, 2022 USD ($)	Oct. 02, 2021 USD ($)	Oct. 01, 2022 USD ($)	Oct. 02, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2021 USD ($)	Jun. 30, 2020 ft² building
Loss Contingencies [Line Items]
Estimated litigation liability		$ 900					$ 800
Revenue	$ 186,590		$ 163,227	$ 524,269	$ 480,570
Cost of sales	148,003		127,912	418,565	375,373
Damage from Facility Fire
Loss Contingencies [Line Items]
Loss contingency, receivable, proceeds	0			3,000
Structural Systems
Loss Contingencies [Line Items]
Revenue	73,186		$ 58,506	203,667	$ 173,948
El Mirage and Monrovia, California | Structural Systems
Loss Contingencies [Line Items]
Reserve for estimated liability	1,500			1,500			1,500
West Covina, California | Structural Systems
Loss Contingencies [Line Items]
Reserve for estimated liability	400			400			400
West Covina, California | Structural Systems | Minimum
Loss Contingencies [Line Items]
Possible loss	400			400
West Covina, California | Structural Systems | Maximum
Loss Contingencies [Line Items]
Possible loss	$ 3,100			$ 3,100
Facility Fire In Guaymas, Mexico | Damage from Facility Fire
Loss Contingencies [Line Items]
Number of buildings | building								2
Real estate property (in sqft) | ft²								62
Loss contingency, receivable, proceeds						$ 13,500
Facility Fire In Guaymas, Mexico | Damage from Facility Fire | Property, Plant and Equipment
Loss Contingencies [Line Items]
Carrying value of impaired assets						7,100
Facility Fire In Guaymas, Mexico | Damage from Facility Fire | Inventories
Loss Contingencies [Line Items]
Carrying value of impaired assets						3,400
Facility Fire In Guaymas, Mexico | Damage from Facility Fire | Revision of Prior Period, Reclassification, Adjustment
Loss Contingencies [Line Items]
Revenue						800
Cost of sales						$ 500
Accrued Liabilities
Loss Contingencies [Line Items]
Estimated litigation liability		900					$ 800
Additional accrued liabilities		$ 100