Commitments and Contingencies Warranty Account Activity (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Commitments and Contingencies Disclosure [Abstract]
Beginning balance	$ 44,757	$ 57,112	$ 53,242	$ 60,443
New product warranties	785	1,388	2,855	3,645
Other changes/adjustments to warranties	1,643	4,603	5,436	12,533
Claims activity	(5,044)	(8,453)	(19,349)	(21,970)
Effect of change in exchange rates	946	(768)	903	(769)
Ending balance	43,087	53,882	43,087	53,882
Less: current portion of warranty	32,118	38,018	32,118	38,018
Long-term warranty	$ 10,969	$ 15,864	$ 10,969	$ 15,864

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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.

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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. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and due after one year (or beyond the operating cycle if longer) for estimated claims under standard and extended warranty protection rights granted to customers.

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Amount of increase (decrease) in the standard and extended product warranty accrual from changes in estimates attributable to preexisting product warranties.

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

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