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Fair Value Measurements Market Risks and Derivative Hedge Contracts (Tables)
9 Months Ended
Sep. 30, 2020
Derivative [Line Items]  
Schedule of Notional Amounts of Outstanding Derivative Positions Table
Derivative contractsUS Dollar Notional AmountTraded Exchange RateSettlement Date
(In Thousands)
Forward sale Mexican peso5,464 21.87October 1, 2020
Derivatives Designated as Hedging Instruments Table
Foreign currency derivative contractsBalance Sheet Location Fair Value at
September 30, 2020
 Fair Value at
December 31, 2019
(In Thousands)
Forward purchase contractsCurrent assets$59 $86 
Forward sale contractsCurrent liabilities— (53)
Forward purchase contractsCurrent liabilities— (3)
Net asset$59 $30