Earnings (Loss) Per Share (Tables)

9 Months Ended

Feb. 29, 2012

Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block]

	Three months ended						Nine months ended
	February 29, 2012			February 28, 2011			February 29, 2012			February 28, 2011
Earnings (loss) from continuing operations attributable to Class A and Common Shares	$	(9.9	)	$	(23.9	)	$	48.0		$	19.0
Earnings (loss) from discontinued operations attributable to Class A and Common Shares, net of tax		(0.4	)		(1.1	)		(2.9	)		(4.6	)
Net income (loss) attributable to Class A and Common Shares	$	(10.3	)	$	(25.0	)	$	45.1		$	14.4
Weighted average Shares of Class A Stock and Common Stock outstanding for basic earnings (loss) per share (in millions)		31.1			30.9			31.1			33.8
Dilutive effect of Class A Stock and Common Stock potentially issuable pursuant to stock-based compensation plans (in millions)		*			*			0.5			0.5
Adjusted weighted average Shares of Class A Stock and Common Stock outstanding for diluted earnings (loss) per share (in millions)		31.1			30.9			31.6			34.3
Earnings (loss) per share of Class A Stock and Common Stock:
Basic earnings (loss) per share:
Earnings (loss) from continuing operations	$	(0.32	)	$	(0.77	)	$	1.54		$	0.56
Earnings (loss) from discontinued operations, net of tax	$	(0.01	)	$	(0.04	)	$	(0.09	)	$	(0.13	)
Net income (loss)	$	(0.33	)	$	(0.81	)	$	1.45		$	0.43
Diluted earnings (loss) per share:
Earnings (loss) from continuing operations	$	(0.32	)	$	(0.77	)	$	1.52		$	0.55
Earnings (loss) from discontinued operations, net of tax	$	(0.01	)	$	(0.04	)	$	(0.09	)	$	(0.13	)
Net income (loss)	$	(0.33	)	$	(0.81	)	$	1.43		$	0.42