Consolidated Statements of Shareholders' Equity (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Retained Earnings [Member]
Cash dividends declared, per share (in dollars per share)	$ (0.10)	$ (0.095)
AOCI Attributable to Parent [Member]
Cash flow hedges, tax		$ 45
Pensions, taxes		68
Cash flow hedges, tax	$ 1
Pensions, taxes	78
Change in currency translation adjustment, taxes	$ 5	$ 9

Aggregate dividends declared during the period for each share of common stock outstanding.

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