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Benefit Plans
 9 Months Ended
Sep. 28, 2013
Benefit Plans
Benefit Plans
Components of net periodic benefit cost for our pension plans for the three and nine months ended September 28, 2013 and September 29, 2012 were as follows:
 
U.S. pension plans
 
Three months ended
 
Nine months ended
In millions
September 28,
2013
September 29,
2012
 
September 28,
2013
September 29,
2012
Service cost
$
3.9

$
3.2

 
$
11.7

$
9.6

Interest cost
3.6

7.1

 
10.8

21.3

Expected return on plan assets
(2.4
)
(7.3
)
 
(7.2
)
(21.9
)
Net periodic benefit cost
$
5.1

$
3.0

 
$
15.3

$
9.0

 
Non-U.S. pension plans
 
Three months ended
 
Nine months ended
In millions
September 28,
2013
September 29,
2012
 
September 28,
2013
September 29,
2012
Service cost
$
2.4

$
0.6

 
$
7.2

$
1.8

Interest cost
4.4

1.1

 
13.2

3.3

Expected return on plan assets
(3.8
)
(0.1
)
 
(11.4
)
(0.3
)
Net periodic benefit cost
$
3.0

$
1.6

 
$
9.0

$
4.8


Components of net periodic benefit cost for our other post-retirement plans for the three and nine months ended September 28, 2013 and September 29, 2012 were not material.