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PENSION PLANS: Schedule of Net Benefit Costs (Tables)
3 Months Ended
Oct. 25, 2014
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]  
Schedule of Net Benefit Costs
Net periodic pension costs for the four plans includes the following components:

 
13 Weeks Ended
 
October 25,
2014
 
October 26,
2013
Service cost
$
910

 
$
730

Interest cost on projected benefit obligations
764

 
694

Expected return on plan assets
(928
)
 
(797
)
Amortization of gains and losses
324

 
201

Net periodic pension cost
$
1,070

 
$
828