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PENSION PLANS - Schedule of Net Benefit Costs (Tables)
9 Months Ended
Apr. 25, 2015
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]  
Schedule of Net Benefit Costs
Net periodic pension cost for the four plans includes the following components:

 
13 Weeks Ended
 
39 Weeks Ended
 
April 25,
2015
 
April 26,
2014
 
April 25,
2015
 
April 26,
2014
Service cost
$
910

 
$
730

 
$
2,730

 
$
2,190

Interest cost on projected benefit obligations
764

 
694

 
2,292

 
2,082

Expected return on plan assets
(928
)
 
(797
)
 
(2,784
)
 
(2,391
)
Amortization of gains and losses
324

 
201

 
972

 
603

Net periodic pension cost
$
1,070

 
$
828

 
$
3,210

 
$
2,484