Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans (Details 3)

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Employee Benefit Plans (Details 3) (Pension plans, defined benefit [Member], USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Pension plans, defined benefit [Member]
   
Weighted average actuarial assumptions used to determine the benefit obligation    
Discount rate 4.28% 4.76%
Rate of increase in compensation levels 3.00% 3.50%
Change in fair value of plan assets    
Fair value of plan assets at beginning of year $ 32,668 $ 32,368
Actual return on plan assets 3,538 1,222
Benefit and administrative expense payments (1,579) (922)
Fair value of plan assets at end of year 34,627 32,668
Funded status    
Funded status at end of year 2,349 2,238
Amount recognized in the Consolidated Balance Sheets $ 2,349 $ 2,238