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Pension Plans (Tables)
3 Months Ended
Mar. 31, 2019
Retirement Benefits [Abstract]  
Schedule of Net Benefit Costs
Components of net periodic benefit cost for our pension plans for the First Quarter ended March 31, 2019, and 2018 were as follows:
 
 
First Quarter
 
 
In millions
2019
 
2018
 
 
Net periodic benefit credit
 
 
 
 
 
Interest cost
$
2.7

 
$
2.7

 
 
Expected return on plan assets
(3.8
)
 
(4.4
)
 
 
Amortization of:
 
 
 
 
 
     Net actuarial loss
0.7

 
0.6

 
 
     Prior service credit
(0.1
)
 
(0.1
)
 
 
Net periodic benefit credit
$
(0.5
)
 
$
(1.2
)
 
 
In respect of defined contribution plans
 
 
 
 
 
Total charge for defined contribution plans
1.2

 
1.5

 
 
Total charge for pension plans
$
0.7

 
$
0.3