Goodwill and Other Intangibles (Tables)

6 Months Ended

Nov. 30, 2011

Schedule of Goodwill [Table Text Block]

	Six months ended November 30, 2011			Twelve months ended May 31, 2011			Six months ended November 30, 2010
Gross beginning balance	$	175.0		$	174.0		$	174.0
Accumulated impairment		(20.8	)		(17.4	)		(17.4	)
Beginning balance	$	154.2		$	156.6		$	156.6
Additions		—			1.0			7.1
Impairment charge		—			(3.4	)		—
Other		0.9			—			—
Gross ending balance	$	175.9		$	175.0		$	181.1
Accumulated impairment		(20.8	)		(20.8	)		(17.4	)
Ending balance	$	155.1		$	154.2		$	163.7

Schedule of Finite-Lived Intangible Assets by Major Class [Table Text Block]

	Six months ended November 30, 2011			Twelve months ended May 31, 2011			Six months ended November 30, 2010
Beginning balance - Customer lists	$	0.7		$	0.8		$	0.8
Amortization expense		(0.1	)		(0.2	)		(0.1	)
Foreign currency translation		0.0			0.1			0.1
Customer lists, net of accumulated amortization of $1.2, $1.1 and $1.0, respectively	$	0.6		$	0.7		$	0.8
Beginning balance - other intangibles	$	17.3		$	2.2		$	2.2
Additions due to acquisition		—			5.6			—
Reclassified from indefinite-lived intangible assets		—			10.7			10.7
Amortization expense		(0.8	)		(1.2	)		(0.5	)
Other intangibles, net of accumulated amortization of $5.0, $4.2 and $3.5, respectively	$	16.5		$	17.3		$	12.4
Total other intangibles subject to amortization	$	17.1		$	18.0		$	13.2

Schedule of Indefinite-lived Intangible Assets by Segment [Table Text Block]

	November 30, 2011		May 31, 2011		November 30, 2010
Net carrying value by major class:
Trademarks and Other	$	1.8	$	1.8	$	1.8
Total	$	1.8	$	1.8	$	1.8