Discontinued Operations (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Discontinued Operations [Abstract]
Gain on sale of assets		$ 200
Reclassification of the cumulative translation adjustment into net earnings		3,257
Certain Consolidated Condensed Statements of Earnings information for discontinued operations [Abstract]
Net sales	$ 0	0	$ 187
Gain (Loss) from discontinued operations before income taxes	0	3,410	(471)
Income tax (expense) benefit	0	(67)	9
Gain (Loss) from discontinued operations, net of tax	$ 0	$ 3,343	$ (462)

Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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- Definition

Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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