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v2.3.0.11
Pension plan
6 Months Ended
Jul. 31, 2011
Pension Plan [Abstract]  
Pension and Other Postretirement Benefits Disclosure [Text Block]
Pension plan. The Winchester Filtration hourly rated employees are covered by a defined benefit plan.  The fair value of the major categories of the pension plan's investments remained at the same levels.
Level 1 market value of plan assets
July 31,

2011


 
January 31,

2011


Equity securities


$2,868


 


$2,830


U.S. bond market
1,972


 
1,837


High-quality inflation-indexed bonds issued by the U.S. Treasury and government agencies as well as domestic corporations
254


 
229


Real estate
106


 
97


Subtotal
5,200


 
4,993


Level 2 significant other observable inputs
 
 
 
Money market fund
43


 
96


Total


$5,243


 


$5,089


 
Three Months Ended July 31,
 
Six Months Ended July 31,
Components of net periodic benefit costs
2011


 
2010


 
2011


 
2010


Service cost


$32


 


$29


 


$63


 


$59


Interest cost
82


 
70


 
156


 
140


Expected return on plan assets
(102
)
 
(85
)
 
(203
)
 
(171
)
Amortization of prior service cost
32


 
33


 
64


 
66


Recognized actuarial loss
22


 
16


 
31


 
32


Net periodic benefit costs


$66


 


$63


 


$111


 


$126




Employer contributions for the remainder of the fiscal year ending January 31, 2012 are expected to be $330 thousand. For the six months ended July 31, 2011, contributions of $92 thousand were made.