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Employee Benefit Plans
 6 Months Ended
Jul. 01, 2012
Compensation and Retirement Disclosure [Abstract]  
Employee Benefit Plans
Employee Postretirement Benefit Plans
During the fourth quarter of fiscal year 2011 the Company changed its method of recognizing defined benefit pension and other postretirement benefit costs. Accordingly, the financial data for all periods presented has been retrospectively adjusted to reflect the effect of these accounting changes. See Note 1 for a discussion of the Company's changes in accounting and reporting for its pension and other postretirement benefits.
The following table summarizes the components of net periodic benefit cost (credit) for the Company’s various defined benefit employee pension and postretirement plans for the three and six months ended July 1, 2012 and July 3, 2011:
 
 
Defined Benefit
Pension Benefits
 
Postretirement
Medical Benefits
 
Three Months Ended
 
July 1,
2012
 
July 3,
2011
 
July 1,
2012
 
July 3,
2011
 
(In thousands)
Service cost
$
977

 
$
972

 
$
28

 
$
21

Interest cost
5,792

 
6,321

 
37

 
41

Expected return on plan assets
(5,140
)
 
(5,649
)
 
(219
)
 
(221
)
Amortization of prior service costs
(60
)
 
(56
)
 
—

 
(63
)
Net periodic benefit cost (credit)
$
1,569

 
$
1,588

 
$
(154
)
 
$
(222
)
 
 
 
 
 
 
 
 
 
Defined Benefit
Pension Benefits
 
Postretirement
Medical Benefits
 
Six Months Ended
 
July 1,
2012
 
July 3,
2011
 
July 1,
2012
 
July 3,
2011
 
(In thousands)
Service cost
$
1,957

 
$
1,944

 
$
56

 
$
43

Interest cost
11,607

 
12,639

 
74

 
81

Expected return on plan assets
(10,282
)
 
(11,297
)
 
(438
)
 
(442
)
Amortization of prior service
(120
)
 
(112
)
 
—

 
(126
)
Net periodic benefit cost (credit)
$
3,162

 
$
3,174

 
$
(308
)
 
$
(444
)

During the first six months of fiscal year 2012, the Company made a contribution of $17.0 million for the 2011 plan year to its defined benefit pension plan in the United States. During the first six months of fiscal year 2012, the Company made contributions of $5.5 million in the aggregate to its defined benefit pension plans outside of the United States.