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Warranties (Tables)
9 Months Ended
Sep. 30, 2019
Warranties  
Schedule of changes in accrued product warranties

Three Months Ended September 30, 

Nine Months Ended September 30, 

    

2019

    

2018

    

2019

    

2018

Balances at beginning of period

$

3,263

$

1,981

$

2,084

$

2,312

Acquired warranty

 

3,618

 

213

 

4,818

 

305

Increases to accruals

 

286

 

436

 

890

 

920

Warranty expenditures

 

(414)

 

(590)

 

(1,045)

 

(1,492)

Effect of changes in exchange rates

 

(11)

 

(2)

 

(5)

 

(7)

Balances at end of period

$

6,742

$

2,038

$

6,742

$

2,038