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Retirement Benefit Plans
3 Months Ended
Sep. 30, 2014
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
September 30,

 

 

 

2013

 

2014

 

Service cost

 

$

293

 

$

264

 

Amortization of prior service cost

 

202

 

202

 

Net periodic pension expense

 

$

495

 

$

466

 

 

For the three months ended September 30, 2013 and 2014, the Company made contributions of $0.1 million and $1.0 million, respectively, to these defined benefit plans.

 

In addition, the Company maintains various defined contribution plans. For the three months ended September 30, 2013 and 2014, the Company made contributions of $1.0 million and $1.2 million, respectively, to these defined contribution plans.