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Product Warranties (Tables)
6 Months Ended
Jun. 30, 2019
Product Warranties Disclosures [Abstract]  
Rollforward of Consolidated Warranty Reserve
The following table represents changes in our consolidated warranty reserve:
Balance at December 31, 2018
$
8.9

Issued – warranty expense
3.3

Warranty usage
(1.5
)
Balance at June 30, 2019
$
10.7