Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2015	Jun. 30, 2014
Current assets
Accounts receivable allowances	$ 8,495	$ 7,813
Shareholders' equity
Preferred stock, par value per share	$ 1	$ 1
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Common stock [Member]
Shareholders' equity
Common stock, par value per share	$ 1	$ 1
Common stock, shares authorized	80,000,000	80,000,000
Common stock, shares issued	37,657,000	36,776,000
Common stock, shares outstanding	37,657,000	36,776,000
Common stock, treasury	24,451,000	24,395,000
Class B stock $1 par value [Member]
Shareholders' equity
Common stock, par value per share	$ 1	$ 1
Common stock, shares authorized	15,000,000	15,000,000
Common stock, shares issued	6,963,000	7,700,000
Common stock, shares outstanding	6,963,000	7,700,000