Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 05, 2020	Mar. 31, 2019
Income Tax Disclosure [Abstract]
Income Tax Expense	$ 1,534	$ 1,521
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	(100,633)	$ 8,580
Decrease in Unrecognized Tax Benefits is Reasonably Possible	$ 14,400
Effective income tax rate, percent	(1.50%)	17.70%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent	7.40%
Unrecognized tax benefits, period decrease	$ 800
Unrecognized tax benefits	24,700
Decrease in deferred tax assets	2,800
IncreaseDecreaseInCARESActDefferedPayrollTaxes	$ 3,100