CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY Statement - USD ($) | Total | Common Stock | Common StockCommon Class A | Additional Paid-in Capital | Accumulated Other Comprehensive Income (Loss) | Retained Earnings | Treasury Stock At Cost | Total Stockholders' Equity of Scholastic Corporation | Noncontrolling Interest |
Beginning balance at May. 31, 2020 | $ 1,180,600,000 | $ 400,000 | $ 0 | $ 622,400,000 | $ (58,300,000) | $ 948,000,000 | $ (333,300,000) | $ 1,179,200,000 | $ 1,400,000 |
Balance (in shares) at Aug. 31, 2020 | | 32,500,000 | 1,700,000 | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | |
Net income (loss) | (39,800,000) | | | | | (39,800,000) | | (39,800,000) | 0 |
Foreign currency translation adjustment | 10,700,000 | | | | 10,700,000 | | | 10,700,000 | |
Pension and post-retirement adjustments (net of tax of $0.0) | 100,000 | | | | 100,000 | | | 100,000 | |
Stock-based compensation | 600,000 | | | 600,000 | | | | 600,000 | |
Treasury stock issued pursuant to equity-based plans (in shares) | | 0 | | | | | | | |
Treasury stock issued pursuant to equity-based plans | 300,000 | | | (200,000) | | | 500,000 | 300,000 | |
Dividends ($0.15 per share) | (5,100,000) | | | | | (5,100,000) | | (5,100,000) | |
Ending Balance at Aug. 31, 2020 | 1,147,400,000 | $ 400,000 | $ 0 | 622,800,000 | (47,500,000) | 903,100,000 | (332,800,000) | 1,146,000,000 | 1,400,000 |
Balance (in shares) at May. 31, 2020 | | 32,500,000 | 1,700,000 | | | | | | |
Beginning balance at May. 31, 2020 | 1,180,600,000 | $ 400,000 | $ 0 | 622,400,000 | (58,300,000) | 948,000,000 | (333,300,000) | 1,179,200,000 | 1,400,000 |
Balance (in shares) at Nov. 30, 2020 | | 32,600,000 | 1,700,000 | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | |
Net income (loss) | (4,600,000) | | | | | | | | |
Foreign currency translation adjustment | 11,100,000 | | | | | | | | |
Ending Balance at Nov. 30, 2020 | 1,187,900,000 | $ 400,000 | $ 0 | 624,300,000 | (41,700,000) | 933,100,000 | (329,700,000) | 1,186,400,000 | 1,500,000 |
Balance (in shares) at May. 31, 2020 | | 32,500,000 | 1,700,000 | | | | | | |
Beginning balance at Aug. 31, 2020 | 1,147,400,000 | $ 400,000 | $ 0 | 622,800,000 | (47,500,000) | 903,100,000 | (332,800,000) | 1,146,000,000 | 1,400,000 |
Balance (in shares) at Nov. 30, 2020 | | 32,600,000 | 1,700,000 | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | |
Net income (loss) | 35,200,000 | | | | | 35,100,000 | | 35,100,000 | 100,000 |
Foreign currency translation adjustment | 400,000 | | | | 400,000 | | | 400,000 | |
Pension and post-retirement adjustments (net of tax of $0.0) | 5,400,000 | | | | 5,400,000 | | | 5,400,000 | |
Stock-based compensation | 3,000,000 | | | 3,000,000 | | | | 3,000,000 | |
Treasury stock issued pursuant to equity-based plans (in shares) | | 100,000 | | | | | | | |
Treasury stock issued pursuant to equity-based plans | 1,600,000 | | | (1,500,000) | | | 3,100,000 | 1,600,000 | |
Dividends ($0.15 per share) | (5,100,000) | | | | | (5,100,000) | | (5,100,000) | |
Ending Balance at Nov. 30, 2020 | 1,187,900,000 | $ 400,000 | $ 0 | 624,300,000 | (41,700,000) | 933,100,000 | (329,700,000) | 1,186,400,000 | 1,500,000 |
Balance (in shares) at Aug. 31, 2020 | | 32,500,000 | 1,700,000 | | | | | | |
Beginning balance at May. 31, 2021 | 1,182,300,000 | $ 400,000 | $ 0 | 626,500,000 | (34,700,000) | 916,400,000 | (327,800,000) | 1,180,800,000 | 1,500,000 |
Balance (in shares) at Aug. 31, 2021 | | 32,800,000 | 1,700,000 | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | |
Net income (loss) | (24,400,000) | | | | | (24,200,000) | | (24,200,000) | (200,000) |
Foreign currency translation adjustment | (5,800,000) | | | | (5,800,000) | | | (5,800,000) | |
Pension and post-retirement adjustments (net of tax of $0.0) | 100,000 | | | | 100,000 | | | 100,000 | |
Stock-based compensation | 1,500,000 | | | 1,500,000 | | | | 1,500,000 | |
Proceeds pursuant to stock-based compensation plans | 500,000 | | | 500,000 | | | | 500,000 | |
Treasury stock issued pursuant to equity-based plans (in shares) | | 100,000 | | | | | | | |
Treasury stock issued pursuant to equity-based plans | 600,000 | | | (900,000) | | | 1,500,000 | 600,000 | |
Dividends ($0.15 per share) | (5,200,000) | | | | | (5,200,000) | | (5,200,000) | |
Ending Balance at Aug. 31, 2021 | 1,149,600,000 | $ 400,000 | $ 0 | 627,600,000 | (40,400,000) | 887,000,000 | (326,300,000) | 1,148,300,000 | 1,300,000 |
Balance (in shares) at May. 31, 2021 | | 32,700,000 | 1,700,000 | | | | | | |
Beginning balance at May. 31, 2021 | 1,182,300,000 | $ 400,000 | $ 0 | 626,500,000 | (34,700,000) | 916,400,000 | (327,800,000) | 1,180,800,000 | 1,500,000 |
Balance (in shares) at Nov. 30, 2021 | | 32,900,000 | 1,700,000 | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | |
Net income (loss) | 44,000,000 | | | | | | | | |
Foreign currency translation adjustment | $ (10,200,000) | | | | | | | | |
Purchases of treasury stock at cost (in shares) | (4.2) | | | | | | | | |
Ending Balance at Nov. 30, 2021 | $ 1,210,000,000 | $ 400,000 | $ 0 | 625,100,000 | (44,300,000) | 950,100,000 | (322,500,000) | 1,208,800,000 | 1,200,000 |
Balance (in shares) at May. 31, 2021 | | 32,700,000 | 1,700,000 | | | | | | |
Beginning balance at Aug. 31, 2021 | 1,149,600,000 | $ 400,000 | $ 0 | 627,600,000 | (40,400,000) | 887,000,000 | (326,300,000) | 1,148,300,000 | 1,300,000 |
Balance (in shares) at Nov. 30, 2021 | | 32,900,000 | 1,700,000 | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | |
Net income (loss) | 68,400,000 | | | | | 68,300,000 | | 68,300,000 | 100,000 |
Foreign currency translation adjustment | (4,400,000) | | | | (4,400,000) | 0 | | (4,400,000) | |
Pension and post-retirement adjustments (net of tax of $0.0) | 500,000 | | | | 500,000 | | | 500,000 | |
Stock-based compensation | 3,000,000 | | | 3,000,000 | | | | 3,000,000 | |
Proceeds pursuant to stock-based compensation plans | $ 2,500,000 | | | 2,500,000 | | | | 2,500,000 | |
Purchases of treasury stock at cost (in shares) | (4.2) | (100,000) | | | | | | | |
Purchases of treasury stock at cost | $ (4,200,000) | | | | | | (4,200,000) | (4,200,000) | |
Treasury stock issued pursuant to equity-based plans (in shares) | | 200,000 | | | | | | | |
Treasury stock issued pursuant to equity-based plans | 0 | | | (8,000,000) | | | 8,000,000 | 0 | |
Dividends ($0.15 per share) | (5,200,000) | | | | | (5,200,000) | | (5,200,000) | |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders | | | $ (200,000) | | | | | | |
Noncontrolling interest in Make Believe Ideas | | | (200,000) | | | | | | |
Ending Balance at Nov. 30, 2021 | $ 1,210,000,000 | $ 400,000 | $ 0 | $ 625,100,000 | $ (44,300,000) | $ 950,100,000 | $ (322,500,000) | $ 1,208,800,000 | $ 1,200,000 |
Balance (in shares) at Aug. 31, 2021 | | 32,800,000 | 1,700,000 | | | | | | |