XML 26 R35.htm IDEA: XBRL DOCUMENT

Stock Split (Details) In Thousands, unless otherwise specified	3 Months Ended
	Jul. 31, 2012	Jul. 31, 2011
Common Class A [Member]
Change in the company's outstanding shares
Balance at beginning of period	56,251	56,561
Acquisition of treasury stock		(64)
Stock issued under compensation plans	46
Stock split (3-for-2)	28,149
Balance at end of period	84,446	56,497
Common Stock, Class B, nonvoting [Member]
Change in the company's outstanding shares
Balance at beginning of period	85,823	88,429
Acquisition of treasury stock		(193)
Stock issued under compensation plans	80	54
Stock split (3-for-2)	42,951
Balance at end of period	128,854	88,290

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

+ References+ Details

- Definition

Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

+ References+ Details