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Benefit Plans
 6 Months Ended
Jun. 29, 2013
Benefit Plans
Benefit Plans
Components of net periodic benefit cost for our pension plans for the three and six months ended June 29, 2013 and June 30, 2012 were as follows:
 
U.S. pension plans
 
Three months ended
 
Six months ended
In millions
June 29, 2013
June 30, 2012
 
June 29, 2013
June 30, 2012
Service cost
$
3.9

$
3.2

 
$
7.8

$
6.4

Interest cost
3.6

7.1

 
7.2

14.2

Expected return on plan assets
(2.4
)
(7.3
)
 
(4.8
)
(14.6
)
Net periodic benefit cost
$
5.1

$
3.0

 
$
10.2

$
6.0

 
Non-U.S. pension plans
 
Three months ended
 
Six months ended
In millions
June 29, 2013
June 30, 2012
 
June 29, 2013
June 30, 2012
Service cost
$
2.4

$
0.6

 
$
4.8

$
1.2

Interest cost
4.4

1.1

 
8.8

2.2

Expected return on plan assets
(3.8
)
(0.1
)
 
(7.6
)
(0.2
)
Net periodic benefit cost
$
3.0

$
1.6

 
$
6.0

$
3.2


Components of net periodic benefit cost for our other post-retirement plans for the three and six months ended June 29, 2013 and June 30, 2012 were not material.