Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 03, 2021	Dec. 29, 2019	Dec. 30, 2018
Income Tax Disclosure [Abstract]
Income taxes at U.S. federal statutory rate	$ (16,678)	$ 21,381	$ 11,548
State income taxes, net of federal tax effect	(2,033)	2,321	2,228
Non-deductible business expenses	1,792	933	1,352
Non-deductible employee compensation	(210)	1,453	2,566
Tax effects of Company owned life insurance	(898)	(636)	235
One-time transition tax on foreign earnings	0	0	(5,000)
Remeasurement of net Deferred Tax Asset	0	0	(1,739)
Tax effects of undistributed earnings from foreign subsidiaries not deemed to be indefinitely reinvested	748	(183)	61
Foreign and U.S. tax effects attributable to foreign operations	(11,991)	783	(2,226)
Valuation allowance effect	12,927	133	(79)
Research and development tax credits	(780)	(700)	(2,863)
Goodwill impairment	24,464	0	0
Changes in unrecognized tax benefits	(14,962)	(3,324)	(1,010)
Other	130	455	(335)
Total income tax expense (benefit)	$ (7,491)	$ 22,616	$ 4,738