XML 43 R31.htm IDEA: XBRL DOCUMENT v3.22.2.2
Revenue from Contracts with Customers (Summary of Changes in Deferred Revenue) (Details) - USD ($)
9 Months Ended
Sep. 29, 2022
Sep. 30, 2021
Contract Liabilities    
Contract with Customer, Liability, Current $ (15,000,000.0)  
Contract with Customer, Liability, Change in Timeframe, Performance Obligation Satisfied, Revenue Recognized 12.0  
Contract with Customer, Liability, Current (9,600,000)  
National advertising revenue    
Accounts Receivable, Allowance for Credit Loss, Beginning Balance 300,000 $ 200,000
Accounts Receivable, Credit Loss Expense (Reversal) 400,000 100,000
Accounts Receivable, Allowance for Credit Loss, Writeoff (400,000) 0
Accounts Receivable, Allowance for Credit Loss, Ending Balance 300,000 300,000
Local And Regional Advertising Revenue [Member]    
Accounts Receivable, Allowance for Credit Loss, Beginning Balance 1,400,000 2,100,000
Accounts Receivable, Credit Loss Expense (Reversal) 300,000 (200,000)
Accounts Receivable, Allowance for Credit Loss, Writeoff (300,000) (500,000)
Accounts Receivable, Allowance for Credit Loss, Ending Balance $ 1,400,000 $ 1,400,000