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Pension Plans (Tables)
6 Months Ended
Jun. 28, 2014
Pension and Other Postretirement Benefit Expense [Abstract]  
Schedule of Net Periodic Defined Benefit Pension Cost
The Company’s net periodic defined benefit pension cost is comprised of the following components (in millions):
 
 
Three Months Ended
 
Six Months Ended
 
June 28,
2014
 
June 29,
2013
 
June 28,
2014
 
June 29,
2013
Service cost
$
0.6

 
$
0.7

 
$
1.2

 
$
1.4

Interest cost
2.0

 
1.8

 
4.0

 
3.6

Expected return on plan assets
(2.2
)
 
(2.0
)
 
(4.5
)
 
(4.0
)
Amortization of prior service cost and net actuarial loss
0.5

 
1.1

 
1.1

 
2.1

Net periodic benefit expense
$
0.9

 
$
1.6

 
$
1.8

 
$
3.1