SEGMENT INFORMATION - Segment Income or Loss Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Oct. 01, 2021	Sep. 30, 2022	Oct. 01, 2021
Segment Reporting Information [Line Items]
Total consolidated segment operating income (loss)	$ 11,424	$ 5,371	$ 29,042	$ 3,663
Unallocated corporate expenses	(67,180)	(60,783)	(201,145)	(178,141)
Stock-based compensation	(6,460)	(6,436)	(19,621)	(18,867)
Amortization of intangibles	0	0	0	(507)
Non-operating income (expense), net	(1,402)	(2,899)	107	(7,260)
Income (loss) before income taxes	10,022	2,472	29,149	(3,597)
Operating Segments
Segment Reporting Information [Line Items]
Total consolidated segment operating income (loss)	18,210	11,807	50,890	23,426
Corporate, Non-segments
Segment Reporting Information [Line Items]
Unallocated corporate expenses	$ (326)	$ 0	$ (2,227)	$ (389)