Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Retained Earnings [Member]
Cash dividends declared, per share (in dollars per share)	$ 0.10	$ 0.095	$ 0.20	$ 0.19
AOCI Attributable to Parent [Member]
Cash flow hedges, tax	$ 1	$ 23	$ 2	$ 68
Pensions, taxes	158	67	235	135
Change in currency translation adjustment, taxes	$ 12	$ 160	$ 7	$ 169

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

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