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Consolidated Statement of Stockholders' Equity (Unaudited) - Parenthetical - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income tax benefit (expense), Post retirement benefits	$ 17,000	$ 20,000	$ 50,000	$ 60,000
Foreign currency hedging derivatives [Member]
Income tax benefit (expense)	(88,000)	58,000	98,000	(144,000)
Interest Rate Swaps [Member]
Income tax benefit (expense)	$ (39,000)	$ 20,000	$ 125,000	$ 184,000

X

- Definition

Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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- Definition

Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.

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