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Retirement Benefit Plans
 9 Months Ended
Mar. 31, 2015
Retirement Benefit Plans  
Retirement Benefit Plans

 

6. Retirement Benefit Plans

 

The Company sponsors various retirement benefit plans including qualified and nonqualified defined benefit pension plans for its employees. The components of net periodic pension expense are as follows (in thousands):

 

 

 

Three Months Ended
March 31,

 

Nine Months Ended
March 31,

 

 

 

2014

 

2015

 

2014

 

2015

 

Service cost

 

$
288 

 

$
249 

 

$
890 

 

$
779 

 

Amortization of prior service cost

 
202 

 
202 

 
606 

 
606 

 

Net periodic pension expense

 

$
490 

 

$
451 

 

$
1,496 

 

$
1,385 

 

 

For the three months ended March 31, 2014, the Company made contributions of $0.1 million to these defined benefit plans; while no contributions were made during the three months ended March 31, 2015. For both the nine months ended March 31, 2014 and 2015, the Company made contributions of $1.0 million to these defined benefit plans.

 

In addition, the Company maintains various defined contribution plans. For the three months ended March 31, 2014 and 2015, the Company made contributions of $1.0 and $1.1 million, respectively, to these defined contribution plans. For the nine months ended March 31, 2014 and 2015, the Company made contributions of $3.0 million and $3.3 million, respectively, to these defined contribution plans.