CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2023	Nov. 30, 2022
Income Statement [Abstract]
Revenues	$ 562.6	$ 587.9	$ 791.1	$ 850.8
Operating costs and expenses:
Cost of goods sold	234.1	260.4	364.1	404.9
Selling, general and administrative expenses	213.1	213.6	397.3	376.4
Depreciation and amortization	14.1	13.8	27.5	27.5
Total operating costs and expenses	461.3	487.8	788.9	808.8
Operating income (loss)	101.3	100.1	2.2	42.0
Interest income (expense), net	0.4	0.7	1.8	0.9
Other components of net periodic benefit (cost)	(0.2)	0.1	(0.5)	0.1
Earnings (loss) before income taxes	101.5	100.9	3.5	43.0
Provision (benefit) for income taxes	24.6	25.5	0.8	13.0
Net income (loss)	76.9	75.4	2.7	30.0
Less: Net income (loss) attributable to noncontrolling interest	0.0	0.1	0.0	0.2
Net income (loss) attributable to Scholastic Corporation	$ 76.9	$ 75.3	$ 2.7	$ 29.8
Basic and diluted earnings (loss) per share of Class A and Common Stock
Basic (in Dollars per share)	$ 2.51	$ 2.17	$ 0.09	$ 0.86
Diluted (in Dollars per share)	$ 2.45	$ 2.12	$ 0.09	$ 0.84