Stock Split (Tables)

9 Months Ended

Jan. 31, 2013

Equity [Abstract]

Change in the company's outstanding shares

The following table shows the change in the Company’s outstanding common shares shares during the nine months endedJanuary 31, 2013:

(Shares in thousands)	Class A (voting)	Class B (nonvoting)
Balance at April 30, 2012	56,251	85,823
Stock split (3-for-2)	28,149	42,951
Stock issued under compensation plans	46	391
Balance at January 31, 2013	84,446	129,165