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Warranty Costs (Tables)
 6 Months Ended
Jun. 30, 2020
Guarantees [Abstract]  
Changes in Carrying Amount of Accrued Product Warranty Costs Changes in the carrying amount of accrued product warranty costs for each of the quarters ended June 30, 2020 and 2019 are as follows:

 

 

 

June 30, 2020

 

 

June 30, 2019

 

Balance at beginning of period

 

$

10.0

 

 

$

9.4

 

Accrued current period warranty expense

 

 

2.0

 

 

 

2.0

 

Payments and adjustments

 

 

(2.8

)

 

 

(1.2

)

Balance at end of period

 

$

9.2

 

 

$

10.2