CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY Statement - USD ($) shares in Millions, $ in Millions | Total | Common Class A | Common Class | Common Class Common 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, 2023 | $ 1,164.5 | | $ 0.4 | $ 0 | $ 632.2 | $ (55.8) | $ 1,035.6 | $ (449.5) | $ 1,162.9 | $ 1.6 |
Balance (in shares) at Aug. 31, 2023 | | | 29.3 | 1.7 | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Net income (loss) | (74.2) | | | | | | (74.2) | | (74.2) | |
Foreign currency translation adjustments | 1.8 | | | | | 1.8 | | | 1.8 | |
Pension and post-retirement adjustments (net of tax of $0.0) | 0.2 | | | | | 0.2 | | | 0.2 | |
Stock-based compensation | 2.3 | | | | 2.3 | | | | 2.3 | |
Proceeds pursuant to stock-based compensation plans | 3 | | | | 3 | | | | 3 | |
Purchases of treasury stock at cost (in shares) | | | (0.8) | | | | | | | |
Purchases of treasury stock at cost | (36.2) | | | | | | | (36.2) | (36.2) | |
Treasury stock issued pursuant to equity-based plans (in shares) | | | 0.1 | | | | | | | |
Treasury stock issued pursuant to equity-based plans | 1.6 | | | | (4.3) | | | 5.9 | 1.6 | |
Dividends | (6.3) | | | | | | (6.3) | | (6.3) | |
Stockholders' Equity, Other | (2.1) | | | | (0.5) | | | | (0.5) | (1.6) |
Ending Balance at Aug. 31, 2023 | $ 1,054.6 | | $ 0.4 | $ 0 | 632.7 | (53.8) | 955.1 | (479.8) | 1,054.6 | 0 |
Balance (in shares) at May. 31, 2023 | | | 30 | 1.7 | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Dividends declared per class A and common share (in Dollars per share) | $ 0.20 | | | | | | | | | |
Beginning balance at May. 31, 2023 | $ 1,164.5 | | $ 0.4 | $ 0 | 632.2 | (55.8) | 1,035.6 | (449.5) | 1,162.9 | 1.6 |
Balance (in shares) at Nov. 30, 2023 | | | 28.2 | 1.7 | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Net income (loss) | 2.7 | | | | | | | | | |
Foreign currency translation adjustments | 2 | | | | | | | | | |
Ending Balance at Nov. 30, 2023 | 1,079.1 | | $ 0.4 | $ 0 | 630.8 | (53.5) | 1,026 | (524.6) | 1,079.1 | 0 |
Balance (in shares) at May. 31, 2023 | | | 30 | 1.7 | | | | | | |
Beginning balance at Aug. 31, 2023 | 1,054.6 | | $ 0.4 | $ 0 | 632.7 | (53.8) | 955.1 | (479.8) | 1,054.6 | 0 |
Balance (in shares) at Nov. 30, 2023 | | | 28.2 | 1.7 | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Net income (loss) | 76.9 | | | | | | 76.9 | | 76.9 | |
Foreign currency translation adjustments | 0.2 | | | | | 0.2 | | | 0.2 | |
Pension and post-retirement adjustments (net of tax of $0.0) | 0.1 | | | | | 0.1 | | | 0.1 | |
Stock-based compensation | 4.1 | | | | 4.1 | | | | 4.1 | |
Proceeds pursuant to stock-based compensation plans | 0.6 | | | | 0.6 | | | | 0.6 | |
Purchases of treasury stock at cost (in shares) | | | (1.4) | | | | | | | |
Purchases of treasury stock at cost | (52.3) | | | | | | | (52.3) | (52.3) | |
Treasury stock issued pursuant to equity-based plans (in shares) | | | 0.3 | | | | | | | |
Treasury stock issued pursuant to equity-based plans | 0.9 | | | | (6.6) | | | 7.5 | 0.9 | |
Dividends | (6) | | | | | | (6) | | (6) | |
Ending Balance at Nov. 30, 2023 | 1,079.1 | | $ 0.4 | $ 0 | 630.8 | (53.5) | 1,026 | (524.6) | 1,079.1 | 0 |
Balance (in shares) at Aug. 31, 2023 | | | 29.3 | 1.7 | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Dividends declared per class A and common share (in Dollars per share) | | $ 0.20 | | | | | | | | |
Beginning balance at May. 31, 2024 | 1,018.1 | | $ 0.4 | $ 0 | 604.6 | (52.5) | 1,023.7 | (558.1) | 1,018.1 | 0 |
Balance (in shares) at Aug. 31, 2024 | | | 27.3 | 0.8 | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Net income (loss) | (62.5) | | | | | | (62.5) | | (62.5) | |
Foreign currency translation adjustments | 8.2 | | | | | 8.2 | | | 8.2 | |
Pension and post-retirement adjustments (net of tax of $0.0) | 0.2 | | | | | 0.2 | | | 0.2 | |
Stock-based compensation | 2.2 | | | | 2.2 | | | | 2.2 | |
Proceeds pursuant to stock-based compensation plans | 0.1 | | | | 0.1 | | | | 0.1 | |
Purchases of treasury stock at cost (in shares) | | | (0.2) | | | | | | | |
Purchases of treasury stock at cost | (5) | | | | | | | (5) | (5) | |
Treasury stock issued pursuant to equity-based plans (in shares) | | | 0.1 | | | | | | | |
Treasury stock issued pursuant to equity-based plans | 1.6 | | | | (0.6) | | | 2.2 | 1.6 | |
Dividends | (5.6) | | | | | | (5.6) | | (5.6) | |
Ending Balance at Aug. 31, 2024 | $ 957.3 | | $ 0.4 | $ 0 | 606.3 | (44.1) | 955.6 | (560.9) | 957.3 | 0 |
Balance (in shares) at May. 31, 2024 | | | 27.4 | 0.8 | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Dividends declared per class A and common share (in Dollars per share) | $ 0.20 | | | | | | | | | |
Beginning balance at May. 31, 2024 | $ 1,018.1 | | $ 0.4 | $ 0 | 604.6 | (52.5) | 1,023.7 | (558.1) | 1,018.1 | 0 |
Balance (in shares) at Nov. 30, 2024 | | | 27.3 | 0.8 | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Net income (loss) | (13.7) | | | | | | | | | |
Foreign currency translation adjustments | (3.7) | | | | | | | | | |
Purchases of treasury stock at cost | (10) | | | | | | | | | |
Ending Balance at Nov. 30, 2024 | 986 | | $ 0.4 | $ 0 | 603.5 | (55.8) | 998.7 | (560.8) | 986 | 0 |
Balance (in shares) at May. 31, 2024 | | | 27.4 | 0.8 | | | | | | |
Beginning balance at Aug. 31, 2024 | 957.3 | | $ 0.4 | $ 0 | 606.3 | (44.1) | 955.6 | (560.9) | 957.3 | 0 |
Balance (in shares) at Nov. 30, 2024 | | | 27.3 | 0.8 | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Net income (loss) | 48.8 | | | | | | 48.8 | | 48.8 | |
Foreign currency translation adjustments | (11.9) | | | | | (11.9) | | | (11.9) | |
Pension and post-retirement adjustments (net of tax of $0.0) | 0.2 | | | | | 0.2 | | | 0.2 | |
Stock-based compensation | 2.1 | | | | 2.1 | | | | 2.1 | |
Proceeds pursuant to stock-based compensation plans | (0.5) | | | | (0.5) | | | | (0.5) | |
Purchases of treasury stock at cost (in shares) | | | (0.1) | | | | | | | |
Purchases of treasury stock at cost | (5) | | | | | | | (5) | (5) | |
Treasury stock issued pursuant to equity-based plans (in shares) | | | 0.1 | | | | | | | |
Treasury stock issued pursuant to equity-based plans | 0.7 | | | | (4.4) | | | 5.1 | 0.7 | |
Dividends | (5.7) | | | | | | (5.7) | | (5.7) | |
Ending Balance at Nov. 30, 2024 | $ 986 | | $ 0.4 | $ 0 | $ 603.5 | $ (55.8) | $ 998.7 | $ (560.8) | $ 986 | $ 0 |
Balance (in shares) at Aug. 31, 2024 | | | 27.3 | 0.8 | | | | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | | | |
Dividends declared per class A and common share (in Dollars per share) | | $ 0.20 | | | | | | | | |