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Pension Benefits (Tables)
 3 Months Ended
Mar. 24, 2012
Compensation and Retirement Disclosure [Abstract]  
Components of Net Periodic Benefit Cost
The components of net periodic benefit cost associated with our U.S. pension plans and significant international pension plans are as follows:

 
U.S. Pension Plans
 
International Pension Plans
 
Quarter ended
 
Quarter ended
 
3/24/2012
 
3/19/2011
 
3/24/2012
 
3/19/2011
Service cost
$
6

 
$
5

 
$
—

 
$
1

Interest cost
15

 
15

 
2

 
2

Expected return on plan assets
(16
)
 
(16
)
 
(2
)
 
(2
)
Amortization of net loss
15

 
7

 
—

 
—

Net periodic benefit cost
$
20

 
$
11

 
$
—

 
$
1