CONSOLIDATED BALANCE SHEET (Parenthetical) (USD $)	Dec. 31, 2011	Jun. 30, 2011
Serial preferred stock, par value	$ 0.50	$ 0.50
Serial preferred stock, authorized	3,000,000	3,000,000
Serial preferred stock, issued
Common stock, par value	$ 0.5	$ 0.5
Common stock, authorized	600,000,000	600,000,000
Common stock, issued	181,046,128	181,046,128
Treasury shares, shares	30,143,240	25,955,619