XML 37 R26.htm IDEA: XBRL DOCUMENT v3.8.0.1
Accrued Expenses And Current Portion Of Other Long-Term Liabilities (Narrative) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Mar. 31, 2018
Mar. 25, 2017
Mar. 31, 2018
Mar. 25, 2017
Sep. 30, 2017
Accrued Expenses And Current Portion Of Other Long-Term Liabilities [Abstract]          
Workers' compensation per occurrence covered under insurance cost $ 750   $ 750    
General liability 500   500    
Medical care benefits per person covered under insurance cost 450   450    
Self insurance reserves 35,400   35,400   $ 35,500
Self insurance reserves, current 13,500   13,500   13,700
Self insurance reserves, noncurrent 21,900   21,900   21,800
Receivable for expected self-insurance recoveries from excess cost insurance 5,400   5,400   $ 4,800
Employee insurance expense $ 10,400 $ 7,100 $ 19,000 $ 16,400