Discontinued Operations (Tables)

6 Months Ended

Nov. 30, 2011

Schedule Of Discontinued Operation Gain Loss On Disposal Of Discontinued Operation [Table Text Block]

	Three months ended November 30,						Six months ended November 30,
	2011			2010			2011			2010
Revenues	$	—		$	7.8		$	0.1		$	8.3
Non-cash impairment		—			—			0.9			—
Loss before income taxes		(0.7	)		(2.5	)		(3.3	)		(4.4	)
Income tax benefit		0.2			0.3			0.8			0.9
Loss from discontinued operations, net of tax	$	(0.5	)	$	(2.2	)	$	(2.5	)	$	(3.5	)

Schedule Of Disposal Groups Including Discontinued Operations Balance Sheet [Table Text Block]

	November 30, 2011			May 31, 2011			November 30, 2010
Accounts receivable, net		$	0.1		$	0.1		$	0.2
Inventories, net			—			1.2			3.7
Other assets			9.2			9.2			14.3
Current assets of discontinued operations		$	9.3		$	10.5		$	18.2
Accounts payable		$	0.1		$	0.2		$	1.9
Accrued expenses and other current liabilities			0.6			0.6			1.8
Current liabilities of discontinued operations		$	0.7		$	0.8		$	3.7