Unaudited Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
Reserve for returns and allowances on accounts receivable	$ 81,382	$ 93,860
Provision for doubtful accounts on accounts receivable	$ 3,872	$ 4,551
Common stock, no par value
Authorized common shares	500,000,000	500,000,000
Common stock, shares issued	144,392,029	143,980,754
Treasury stock, no par value
Treasury stock, shares	11,040,493	11,040,493