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Product Warranties (Tables)
 12 Months Ended
Dec. 31, 2019
Product Warranties Disclosures [Abstract]  
Rollforward of Consolidated Warranty Reserve
The following table represents changes in our consolidated warranty reserve:
 
Year Ended December 31,
 
2019
 
2018
 
2017
Beginning balance
$
8.9

 
$
11.6

 
$
11.6

Issued - warranty expense
7.8

 
5.1

 
3.1

Acquired - warranty reserve
—

 
—

 
0.9

Change in estimate - warranty expense
—

 
(1.6
)
 
1.5

Warranty usage
(5.0
)
 
(6.2
)
 
(5.5
)
Ending balance
$
11.7

 
$
8.9

 
$
11.6