Accounting Policies (Tables)

12 Months Ended

Apr. 30, 2011

Accounting Policies (Tables) [Abstract]

Share based payments

The following table summarizes amounts related to share-based payments.

	April 30,
	2011		2010		2009
Share-based compensation expense included in selling, distribution, and administrative expenses	$	19,896	$	20,687	$	14,043
Share-based compensation expense included in merger and integration costs		4,148		5,262		8,062
Share-based compensation expense included in other restructuring costs		290		—		—
Total share-based compensation expense	$	24,334	$	25,949	$	22,105
Related income tax benefit	$	8,064	$	8,402	$	7,261