Investments (Tables)

9 Months Ended

Feb. 29, 2012

Schedule of cost and equity method investments [Table Text Block]

	February 29, 2012		May 31, 2011		February 28, 2011
Cost method investments:
UK - based	$	5.7	$	5.7	$	9.1
Total cost method investments	$	5.7	$	5.7	$	9.1
Equity method investments:
UK - based	$	14.0	$	13.4	$	13.4
U.S. - based		1.3		1.3		0.7
Total equity method investments	$	15.3	$	14.7	$	14.1
Total	$	21.0	$	20.4	$	23.2