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Retirement Plans
9 Months Ended
Jun. 30, 2012
Retirement Plans [Abstract]  
Retirement Plans

10. RETIREMENT PLANS

A summary of net periodic benefit expense for the Company's defined benefit plans for the three and nine-month periods ended June 30, 2012 and 2011 is shown in the following table. Net periodic benefit cost for each period presented is comprised of the following:

  Three Months Ended
June 30,
Nine Months Ended
June 30,
(In thousands) 2012 2011 2012 2011
Defined benefit plans                    
Interest cost $ 905   969   $ 2,714   2,867  
Expected return on assets   (1,021 ) (1,054 )   (3,063 ) (3,140 )
Amortization of:                    
Prior service cost   3   3     10   9  
Actuarial loss   567   289     1,293   885  
Net periodic benefit cost $ 454   207   $ 954   621