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Discontinued Operations (Tables)
 9 Months Ended
Sep. 30, 2016
Discontinued Operations [Abstract]  
Summarized Financial Information For Discontinued Operations Text Block [Table Text Block]
The components of Discontinued operations, net of tax for the three and nine months ended September 30 were as follows:
 
Three months ended
 
Nine months ended
In millions
2016
 
2015
 
2016
 
2015
Pre-tax earnings (loss) from discontinued operations
$
25.0

 
$
(4.7
)
 
$
37.6

 
$
(23.6
)
Tax benefit (expense)
(10.8
)
 
(7.3
)
 
(3.3
)
 
0.2

Discontinued operations, net of tax
$
14.2

 
$
(12.0
)
 
$
34.3

 
$
(23.4
)