Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2013	Jun. 30, 2012
Consolidated Balance Sheets [Abstract]
Preferred stock, par value	$ 0.1	$ 0.1
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.1	$ 0.1
Common stock, shares authorized	80,000,000	80,000,000
Common stock, shares issued	41,172,000	40,626,000
Treasury stock, shares at cost	17,950,000	15,988,000