Warranties (Product Warranty Liabilities) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Warranties
Warranty liabilities, balance at January 1	$ 61,069	$ 52,220
Warranty claims	(109,684)	(99,267)
Warranty accruals	114,526	108,099
Foreign currency translation	(25)	17
Warranty liabilities, balance at December 31,	$ 65,886	$ 61,069

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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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Amount of decrease in the standard and extended product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard and extended product warranty.

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

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

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