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Product Warranties (Tables)
3 Months Ended
Mar. 31, 2019
Product Warranties Disclosures [Abstract]  
Schedule of Product Warranty Liability Changes in our product warranty obligations were as follows (in thousands):
 
 
Three Months Ended March 31,
 
 
2019
 
2018
Balance, beginning of period
 
$
5,575

 
$
6,117

Accruals
 
1,348

 
1,234

Payments
 
(1,500
)
 
(1,293
)
Balance, end of period
 
$
5,423

 
$
6,058