Fair Value Measurements (Tables)

12 Months Ended

May 31, 2020

Fair Value Disclosures [Abstract]

Schedule of Fair Value Measurements

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

	Net carrying value as of		Fair value measured and recognized using						Impairment losses for fiscal year ended		Additions due to acquisitions
	May 31, 2020		Level 1		Level 2		Level 3		May 31, 2020
Author advances	$	—	$	—	$	—	$	1.6	$	1.6	$	—
Prepublication costs		—		—		—		0.8		0.8		—
Property, plant and equipment, net		—		—		—		0.6		0.6		—
Intangible assets		1.5		—		—		1.6		—		1.6

	Net carrying value as of		Fair value measured and recognized using						Impairment losses for fiscal year ended		Additions due to acquisitions
	May 31, 2019		Level 1		Level 2		Level 3		May 31, 2019
Property, plant and equipment, net	$	—	$	—	$	—	$	—	$	0.9	$	—
Investment acquired		6.0		—		—		6.0		—		6.0
Intangible assets		4.9		—		—		5.1		—		5.1

	Net carrying value as of		Fair value measured and recognized using						Impairment losses for fiscal year ended		Additions due to other investments and acquisitions
	May 31, 2018		Level 1		Level 2		Level 3		May 31, 2018
Property, plant and equipment, net	$	—	$	—	$	—	$	—	$	11.2	$	—
Intangible assets		3.1		—		—		3.3		—		3.3