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Contingencies (Tables)
9 Months Ended
Sep. 30, 2018
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Product Warranty Liability [Table Text Block] In addition to the contingencies above, the Company provides limited warranties on certain of its products. The following table is a rollforward of the warranty liability for the nine months ended September 30, 2018 and the twelve months ended December 31, 2017: 
 
September 30,
2018
December 31,
2017
Beginning balance, January 1
$
5.8

$
6.9

Additions
3.3

2.7

Payments
(1.6
)
(3.8
)
Ending balance
$
7.5

$
5.8