Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data	Jun. 30, 2011	Jun. 30, 2010
Current assets
Accounts receivable allowance	$ 10,823	$ 10,980
Shareholders' equity
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares authorized	5,000	5,000
Preferred stock, shares issued	0	0
Common Stock $1 par value [Member]
Shareholders' equity
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	80,000	80,000
Common stock, shares issued	36,282	36,329
Common stock, shares outstanding	36,282	36,329
Common stock, treasury	23,266	31,568
Class B Stock $1 par value [Member]
Shareholders' equity
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	15,000	15,000
Common stock, shares issued	8,776	9,086
Common stock, shares outstanding	8,776	9,086