Investments (Tables)

6 Months Ended

Nov. 30, 2011

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

	November 30, 2011		May 31, 2011		November 30, 2010
Cost method investments:
UK - based	$	5.5	$	5.7	$	9.1
Total cost method investments	$	5.5	$	5.7	$	9.1
Equity method investments:
UK - based	$	15.7	$	13.4	$	12.8
U.S. - based		1.3		1.3		0.6
Total equity method investments	$	17.0	$	14.7	$	13.4
Total	$	22.5	$	20.4	$	22.5