XML 97 R77.htm IDEA: XBRL DOCUMENT v3.21.2
Schedule II - Valuation and Qualifying Accounts - Valuation and Qualifying Accounts (Details) - USD ($)
12 Months Ended
Sep. 25, 2021
Sep. 26, 2020
Sep. 28, 2019
Opening Balance $ 1,388,000 $ 572,000 $ 400,000
Charged to Expense 338,000 1,105,000 389,000
Deductions 321,000 289,000 [1] 217,000 [1]
Closing Balance $ 1,405,000 $ 1,388,000 $ 572,000
[1] Write-offs of uncollectible accounts receivable.