Fair Value Measurements (Tables)

12 Months Ended

May 31, 2013

Fair Value Disclosures [Text Block]

Fair Value Measurements, Nonrecurring [Table Text Block]

The following tables present non-financial assets that were measured and recorded at fair value on a non-recurring basis and the total impairment losses and additions recognized on those assets:

	Net carrying value		Fair value measured and recorded using						Impairment losses for fiscal year ended		Additions due
	as of May 31, 2013		Level 1		Level 2		Level 3		May 31, 2013		to acquisitions
Other Intangible assets	$	0.3	$	—	$	—	$	0.3	$	—	$	0.3
Property, plant and equipment, net		—		—		—		—		5.2		—
Prepublication assets		—		—		—		—		2.0		—

	Net carrying value		Fair value measured and recorded using						Impairment losses for fiscal year ended		Additions due
	as of May 31, 2012		Level 1		Level 2		Level 3		May 31, 2012		to acquisitions
Goodwill	$	2.7	$	—	$	—	$	2.7	$	—	$	2.7
Other intangible assets impairment		4.9		—		—		4.9		6.8		—
Other intangibles		5.4		—		—		5.4		—		5.4
Production assets		0.6		—		—		0.6		4.0		—
Prepublication assets		—		—		—		—		0.8		—
Investments		—		—		—		—		1.3		—

	Net carrying value		Fair value measured and recorded using						Impairment losses for fiscal year ended		Additions due
	as of May 31, 2011		Level 1		Level 2		Level 3		May 31, 2011		to acquisitions
Goodwill impairment	$	—	$	—	$	—	$	—	$	3.4	$	—
Goodwill		1.0		—		—		1.0		—		1.0
Other Intangible assets		5.6		—		—		5.6		—		5.6
Property, plant and equipment, net		—		—		—		—		1.4		—
Prepublication assets		—		—		—		—		2.7		—
Investments		5.7		—		—		5.7		3.6		—