Accounting Policies (Tables)

12 Months Ended

Apr. 30, 2014

Accounting Policies [Abstract]

Share based payments

	Year Ended April 30,
	2014		2013		2012
Share-based compensation expense included in selling, distribution, and administrative expenses	$	22.1	$	20.5	$	19.3
Share-based compensation expense included in other restructuring and merger and integration costs		0.8		0.8		2.5
Total share-based compensation expense	$	22.9	$	21.3	$	21.8
Related income tax benefit	$	7.7	$	7.1	$	7.5