Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2021	Jul. 05, 2020	Jul. 04, 2021	Jul. 05, 2020
Income Tax Disclosure [Abstract]
Income Tax Expense	$ 5,807	$ 2,580	$ 7,764	$ 4,114
Income (Loss) from Continuing Operations before Income Tax Expense	21,318	$ 7,289	$ 30,213	$ (93,344)
Effective income tax rate, percent			25.70%	(4.40%)
Effective income tax rate, excluding non-deductible goodwill impairment, percent				17.80%
Unrecognized Tax Benefits, Period Increase (Decrease)			$ (700)
Unrecognized tax benefits	10,100		10,100
Decrease in deferred tax assets			3,000
Decrease in unrecognized tax benefits reasonably possible within next 12 months	$ 1,700		$ 1,700