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Retiree Benefits
3 Months Ended
Jan. 25, 2013
Compensation and Retirement Disclosure [Abstract]  
Retiree Benefits
Retiree Benefits
The components of the net periodic pension and other postretirement benefits expense recognized are as follows:
 
 
Pension Benefits
Quarter Ended
 
Postretirement Benefits
Quarter Ended
(in thousands)
January 25,
2013
 
January 27,
2012
 
January 25,
2013
 
January 27,
2012
Service cost
$
2,848

 
$
5,413

 
$
355

 
$
250

Interest cost
19,511

 
21,187

 
302

 
363

Expected return on assets
(25,604
)
 
(24,423
)
 
(112
)
 
(90
)
Amortization of:
 
 
 
 
 
 
 
Prior service cost
153

 
361

 
42

 
13

Actuarial loss (gain)
9,860

 
12,083

 
(231
)
 
(299
)
Net periodic benefit cost
$
6,768

 
$
14,621

 
$
356

 
$
237


The actuarial loss (gain) arises from differences in estimates and actual experiences for certain assumptions including changes in discount rate and expected return on assets. Through January 25, 2013, we have contributed $46.4 million to our defined benefit employee pension plans in fiscal 2013 and we plan to contribute approximately $180.0 million to $190.0 million for the full fiscal year.