Consolidated Statements of Operations - USD ($) $ in Millions	12 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2022
Income Statement [Abstract]
Revenues	$ 1,589.7	$ 1,704.0	$ 1,642.9
Operating costs and expenses
Cost of goods sold	705.1	786.4	765.5
Selling, general and administrative expenses	803.0	756.6	722.8
Depreciation and amortization	57.1	54.7	56.8
Asset impairments and write downs	10.0	0.0	0.4
Total operating costs and expenses	1,575.2	1,597.7	1,545.5
Operating income (loss)	14.5	106.3	97.4
Interest income	4.6	7.2	0.5
Interest expense	(1.9)	(1.4)	(2.9)
Other components of net periodic benefit (cost)	(1.0)	0.3	0.1
Gain (Loss) on assets held for sale	0.0	0.0	(15.1)
(Gain) loss on sale of assets and other	0.0	0.0	9.7
Earnings (loss) before income taxes	16.2	112.4	89.7
Total Current and Deferred	4.1	25.9	8.7
Net income (loss)	12.1	86.5	81.0
Less: Net income (loss) attributable to noncontrolling interest	0.0	0.2	0.1
Net income (loss) attributable to Scholastic Corporation	$ 12.1	$ 86.3	$ 80.9
Basic:
Basic earnings (loss) per share (in Dollars per share)	$ 0.41	$ 2.56	$ 2.33
Diluted:
Net income (loss) (in Dollars per share)	0.40	2.49	2.27
Dividends declared per common share (in Dollars per share)	$ 0.80	$ 0.80	$ 0.60