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Pension plan
6 Months Ended
Dec. 31, 2011
Compensation and Retirement Disclosure [Abstract]  
Pension plan
Pension plan
The Company’s noncontributory defined benefit pension plan (the “Plan”) covers substantially all domestic employees. Components of net periodic pension costs during the quarters and six months ended December 31, 2011 and January 1, 2011 were as follows:

 
Second Quarters Ended
 
Six Months Ended
 
December 31,
2011
 
January 1,
2011
 
December 31,
2011
 
January 1,
2011
 
(Thousands)
Service cost
$
7,095

 
$
7,275

 
$
14,190

 
$
14,550

Interest cost
3,731

 
3,600

 
7,462

 
7,200

Expected return on plan assets
(6,734
)
 
(6,975
)
 
(13,468
)
 
(13,950
)
Recognized net actuarial loss
2,420

 
2,325

 
4,840

 
4,650

Amortization of prior service credit
(469
)
 
(475
)
 
(938
)
 
(950
)
Net periodic pension cost
$
6,043

 
$
5,750

 
$
12,086

 
$
11,500



There were no contributions made to the Plan during the first six months of fiscal 2012.