Discontinued Operations - Operations Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 03, 2022	Apr. 04, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
(Loss) earnings before income taxes	$ (26,300)	$ (1,900)
(Provision for) benefits from income taxes	343	98
Net (loss) income from discontinued operations, net of taxes	(25,705)	(1,238)
Net (income) loss from discontinued operations attributable to noncontrolling interests	250	518
Discontinued Operations | C&I Solutions
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total revenues	28,454	66,262
Total cost of revenues	45,030	62,354
Gross (loss) profit	(16,576)	3,908
Operating expenses	8,350	5,868
Operating income (loss)	(24,926)	(1,960)
Other income (expense), net	(1,372)	106
(Loss) earnings before income taxes	(26,298)	(1,854)
(Provision for) benefits from income taxes	343	98
Net (loss) income from discontinued operations, net of taxes	(25,955)	(1,756)
Net (income) loss from discontinued operations attributable to noncontrolling interests	250	518
Net (loss) income from discontinued operations attributable to stockholders	$ (25,705)	$ (1,238)