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Product Warranty (Tables)
 9 Months Ended
Sep. 30, 2018
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
The activity in warranty reserves for the quarter and nine months ended September 30, 2018 and 2017 are summarized in the following table:
 
Quarter Ended
 
Nine Months Ended
 
September 30,
 
September 30,
Dollar amounts in millions
2018
 
2017
 
2018
 
2017
Beginning balance
$
22.8

 
$
25.3

 
$
24.7

 
$
24.1

Accrued to expense
0.2

 
0.2

 
0.8

 
0.6

Accrued (reduced) to other operating credits and charges
(7.7
)
 
—

 
(7.7
)
 
5.4

Accrued to discontinued operations
—

 
1.5

 
—

 
1.5

Foreign currency translation
(0.1
)
 
0.6

 
(0.5
)
 
2.0

Payments made
(0.8
)
 
(1.6
)
 
(2.9
)
 
(7.6
)
Total warranty reserves
14.4

 
26.0

 
14.4

 
26.0

Current portion of warranty reserves
(4.0
)
 
(9.0
)
 
(4.0
)
 
(9.0
)
Long-term portion of warranty reserves
$
10.4

 
$
17.0

 
$
10.4

 
$
17.0