Pioneer 2010 Annual Report Download - page 41

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The components of net periodic retirement benefit costs for the years ended March 31, 2010 and 2009 were as follows:
Millions of Yen
Thousands of
U.S. Dollars
2010 2009 2010
Service cost ¥ 3,611 ¥ 4,082 $ 38,828
Interest cost 2,260 2,366 24,301
Expected return on plan assets (1,973) (2,703) (21,215)
Amortization of prior service gain (82) (103) (881)
Recognized actuarial loss 3,182 2,172 34,215
Amortization of transitional obligations for retirement benefits 258 317 2,774
Net periodic retirement benefit costs ¥ 7,256 ¥ 6,131 $ 78,022
Assumptions used for the years ended March 31, 2010 and 2009 were as follows:
2010 2009
Discount rate 2.50% 2.50%
Expected rate of return on plan assets 4.00% 4.00%
Amortization period of prior service gain or cost 10 to 15 years 10 to 15 years
Recognition period of actuarial gain or loss 10 to 18 years 10 to 18 years
Amortization period of transitional obligation 15 years 15 years
Overseas
Millions of Yen
Thousands of
U.S. Dollars
2010 2009 2010
Projected benefit obligation ¥(13,375) ¥(13,728) $(143,817)
Fair value of plan assets 9,612 7,786 103,355
Accrued pension and severance costs ¥ (3,763) ¥ (5,942) $ (40,462)
The components of net periodic retirement benefit costs for the years ended March 31, 2010 and 2009 were as follows:
Millions of Yen
Thousands of
U.S. Dollars
2010 2009 2010
Service cost ¥ 237 ¥ 310 $ 2,548
Interest cost 734 792 7,892
Expected return on plan assets (551) (803) (5,925)
Recognized actuarial (gain) loss 127 (12) 1,366
Amortization of transitional obligations for retirement benefits (4) (4) (43)
Curtailment gain 2 (228) 22
Net periodic retirement benefit costs ¥ 545 ¥ 55 $ 5,860
Assumptions used for the years ended March 31, 2010 and 2009 were as follows:
2010 2009
Discount rate 3.7%–7.4% 5.8%–7.4%
Expected rate of return on plan assets 4.0%–8.0% 2.0%–7.5%
Amortization period of prior service gain or cost Average remaining service
period of employees
Average remaining service
period of employees
Recognition period of actuarial gain or loss Average remaining service
period of employees
Average remaining service
period of employees
39
PIONEER CORPORATION Annual Report 2010