Schedule II - Valuation and Qualifying Accounts (Details) - SEC Schedule, 12-09, Allowance, Credit Loss [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 2,427	$ 2,757	$ 2,090
Charged to Costs and Expenses	2,986	1,556	1,975
Charged to Accounts	0	0	0
Deductions	1,962	1,886	1,308
Balance at End of Period	$ 3,451	$ 2,427	$ 2,757