CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended
	Aug. 31, 2022	Aug. 31, 2021
Income Statement [Abstract]
Revenues	$ 262.9	$ 259.8
Operating costs and expenses:
Cost of goods sold	144.5	133.3
Selling, general and administrative expenses	162.8	143.6
Depreciation and amortization	13.7	14.9
Total operating costs and expenses	321.0	291.8
Operating income (loss)	(58.1)	(32.0)
Interest income (expense), net	0.2	(1.3)
Other components of net periodic benefit (cost)	0.0	0.0
Earnings (loss) before income taxes	(57.9)	(33.3)
Provision (benefit) for income taxes	(12.5)	(8.9)
Net income (loss)	(45.4)	(24.4)
Less: Net income (loss) attributable to noncontrolling interest	0.1	(0.2)
Net income (loss) attributable to Scholastic Corporation	$ (45.5)	$ (24.2)
Basic and diluted earnings (loss) per share of Class A and Common Stock
Basic (in Dollars per share)	$ (1.33)	$ (0.70)
Diluted (in Dollars per share)	$ (1.33)	$ (0.70)