CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2023	Feb. 28, 2022
Income Statement [Abstract]
Revenues	$ 324.9	$ 344.5	$ 1,175.7	$ 1,128.5
Operating costs and expenses:
Cost of goods sold	161.1	169.6	566.0	540.9
Selling, general and administrative expenses	178.0	180.8	554.4	512.7
Depreciation and amortization	13.5	13.6	41.0	43.0
Total operating costs and expenses	352.6	364.0	1,161.4	1,096.6
Operating income (loss)	(27.7)	(19.5)	14.3	31.9
Interest income (expense), net	1.4	(0.4)	2.3	(2.2)
Other components of net periodic benefit (cost)	0.1	0.1	0.2	0.1
(Gain) loss on sale of assets	0.0	0.0	0.0	6.2
Earnings (loss) before income taxes	(26.2)	(19.8)	16.8	36.0
Provision (benefit) for income taxes	(6.9)	(4.7)	6.1	7.1
Net income (loss)	(19.3)	(15.1)	10.7	28.9
Less: Net income (loss) attributable to noncontrolling interest	(0.1)	0.2	0.1	0.1
Net income (loss) attributable to Scholastic Corporation	$ (19.2)	$ (15.3)	$ 10.6	$ 28.8
Basic and diluted earnings (loss) per share of Class A and Common Stock
Basic (in Dollars per share)	$ (0.57)	$ (0.44)	$ 0.31	$ 0.83
Diluted (in Dollars per share)	$ (0.57)	$ (0.44)	$ 0.30	$ 0.80