Common Shares

6 Months Ended

Oct. 31, 2011

Common Shares [Abstract]

Common Shares

Note F – Common Shares

The following table sets forth common share information.

	October 31, 2011		April 30, 2011
Common shares authorized		150,000,000		150,000,000
Common shares outstanding		113,851,792		114,172,122
Treasury shares		14,753,373		14,432,043