Unaudited Condensed Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2016	Jun. 30, 2015
Reserve for doubtful accounts	$ 2,285	$ 2,226
Common stock, par value (in dollars per share)	$ 1.50	$ 1.50
Common stock, shares authorized (in shares)	60,000,000,000	60,000,000,000
Common stock, shares issued (in shares)	27,984,278,000	27,984,278,000
Common stock, shares outstanding (in shares)	12,697,240,000	12,651,488,000
Treasury shares, shares (in shares)	15,287,038	15,332,790