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Retirement Plans
3 Months Ended
Dec. 31, 2012
Retirement Plans [Abstract]  
Retirement Plans

9. RETIREMENT PLANS

A summary of net periodic benefit expense for the Company's defined benefit plans for the three-month periods ended December 31, 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  
    December 31,  
(In thousands)   2012   2011  
Defined benefit plans          
Interest cost $ 915   905  
Expected return on assets   (1,075 ) (1,021 )
Amortization of:          
Prior service cost   3   3  
Actuarial loss   492   363  
Net periodic benefit cost $ 335   250