XML 75 R61.htm IDEA: XBRL DOCUMENT v3.3.1.900
Schedule II - Valuation and Qualifying Accounts (Details) - Reserve deducted from assets - allowance for doubtful accounts - USD ($)
12 Months Ended
Dec. 26, 2015
Dec. 27, 2014
Dec. 28, 2013
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Year $ 266,000 $ 202,000 $ 311,000
Additions Charged to Income 0 81,000 19,000
Deductions from Reserve (113,000) (17,000) (128,000)
Balance at End of Year $ 153,000 $ 266,000 $ 202,000