XML 57 R45.htm IDEA: XBRL DOCUMENT v3.3.1.900
Accounts Receivable (Details) - USD ($)
$ in Thousands
Jan. 23, 2016
Jul. 25, 2015
Receivables [Abstract]    
Contract billings $ 291,895 $ 292,029
Retainage 28,038 24,321
Total 319,933 316,350
Less: allowance for doubtful accounts (1,651) (1,216)
Accounts receivable, net $ 318,282 $ 315,134