Warranties - Changes in accrued product warranties (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Movement in Standard Product Warranty Accrual [Roll Forward]
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

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

+ References

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-Publisher FASB
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- Definition

Amount of increase in the standard and extended product warranty accrual from a business acquisition.

+ References

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-Publisher FASB
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- Definition

Amount of increase in the standard and extended product warranty accrual from warranties issued.

+ References

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- Definition

The expense charged against earnings for the period pertaining to standard and extended warranties on the entity's goods and services granted to customers.

+ References

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- Definition

Amount of foreign currency translation gain (loss) which decreases (increases) the standard and extended product warranty accrual.

+ References

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