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Product Warranties (Tables)
 12 Months Ended
Dec. 31, 2017
Product Warranties Disclosures [Abstract]  
Summary of Activity for the Accrual of Product Warranties

The following table summarizes the activity for the accrual of product warranties for December 31, 2017 and 2016:

 

 

 

2017

 

 

2016

 

Balance at beginning of period

 

$

0.2

 

 

$

0.3

 

Current year warranty accruals

 

 

3.2

 

 

 

8.0

 

Reductions for payments

 

 

(3.3

)

 

 

(8.1

)

Balance at end of period

 

$

0.1

 

 

$

0.2