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Retirement Plans
6 Months Ended
Jul. 03, 2011
Retirement Plans [Abstract]  
Retirement Plans
NOTE F — Retirement Plans
Net pension income and postretirement expense for the three and six-months ended July 3, 2011 and July 4, 2010 include the following components:
                                 
    Three Months Ended     Six Months Ended  
($ in thousands)   July 3, 2011     July 4, 2010     July 3, 2011     July 4, 2010  
PENSION PLANS
                               
Service cost
  $ 722     $ 744     $ 1,444     $ 1,491  
Interest cost
    3,230       3,310       6,457       6,642  
Expected return on plan assets (1)
    (6,062 )     (6,079 )     (12,121 )     (12,162 )
Settlement cost
                      234  
Amortization of prior service cost
    153       153       306       510  
Amortization of loss
    1,120       991       2,239       1,990  
 
                       
Net pension income
  $ (837 )   $ (881 )   $ (1,675 )   $ (1,295 )
 
                       
 
(1)   Expected return on plan assets is net of expected investment expenses and certain administrative expenses.
                                 
    Three Months Ended     Six Months Ended  
($ in thousands)   July 3, 2011     July 4, 2010     July 3, 2011     July 4, 2010  
OTHER POSTRETIREMENT BENEFIT PLAN
                               
Service cost
  $ 4     $ 3     $ 8     $ 6  
Interest cost
    72       75       144       150  
Amortization of gain
    (1 )           (3 )      
 
                       
Postretirement expense
  $ 75     $ 78     $ 149     $ 156