XML 42 R30.htm IDEA: XBRL DOCUMENT v3.8.0.1
Summary of Significant Accounting Policies - Other Non-current Liabilities (Details)
$ in Thousands
12 Months Ended
Apr. 29, 2016
USD ($)
facility
Oct. 27, 2017
USD ($)
Apr. 28, 2017
USD ($)
Accounting Policies [Abstract]      
Deferred rent   $ 1,430 $ 1,091
Contingent consideration (1)   24,059 0
Non-current deferred gain (2)   2,072 2,192
Self-insurance reserves   1,991 2,814
Total other non-current liabilities   $ 29,552 $ 6,097
Number of properties | facility 2    
Lease term (in years) 20 years    
Non-current deferred sale leaseback gains $ 2,305