Commitments and Contingencies Warranty Account Activity (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Commitments and Contingencies Disclosure [Abstract]
Beginning balance	$ 48,719	$ 57,532	$ 53,242	$ 60,443
New product warranties	1,000	538	2,070	2,257
Other changes/adjustments to warranties	3,100	6,070	3,793	7,931
Claims activity	(8,365)	(7,434)	(14,305)	(13,517)
Effect of change in exchange rates	303	406	(43)	(2)
Ending balance	44,757	57,112	44,757	57,112
Less: current portion of warranty	33,039	38,987	33,039	38,987
Long-term warranty	$ 11,718	$ 18,125	$ 11,718	$ 18,125

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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 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 (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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