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Retirement Plans (Tables)
 3 Months Ended
Jan. 31, 2013
Compensation and Retirement Disclosure [Abstract]  
Net Periodic Pension Cost
The net periodic pension cost for this plan includes the following components:
 
 
Three Months Ended
 
January 31,
 
2013
 
2012
 
(In thousands)
Net periodic benefit cost:
 
 
 
Service cost
$
907

 
$
980

Interest cost
194

 
204

Expected return on plan assets
(365
)
 
(277
)
Amortization of net loss
62

 
50

Net periodic benefit cost
$
798

 
$
957