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Equity Incentive Plan - Other (Details) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Aug. 31, 2020 | Mar. 31, 2021 | Mar. 31, 2020 | Mar. 31, 2021 | Mar. 31, 2020 | Jun. 30, 2020 | Jun. 30, 2019 | Mar. 31, 2021 | Jun. 30, 2020
2019 SPP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  | 3 years |  |
Fiscal Year 2021 MIP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Vesting period |  |  |  | 3 years |  |  |  |  |
Fiscal Year 2021 LTIP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  | 111,450 |  |  |  |  |
Fair value |  |  |  |  |  |  |  | $ 2.7 |
Granted (in dollars per share) |  |  |  | $ 24.15 |  |  |  |  |
Vest immediately | Fiscal Year 2021 MIP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Earned award vesting percentage |  |  |  | 70.00% |  |  |  |  |
Vest immediately | Fiscal Year 2021 LTIP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Earned award vesting percentage |  |  |  | 40.00% |  |  |  |  |
Vest annually over two years | Fiscal Year 2021 MIP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Earned award vesting percentage |  |  |  | 30.00% |  |  |  |  |
Vest annually over two years | Fiscal Year 2021 LTIP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Earned award vesting percentage |  |  |  | 60.00% |  |  |  |  |
Career Learning Revenue Performance Based Share Units |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  | 366,250 |  |  |  |  |
Fair value |  |  |  |  |  |  |  | $ 16.5 |
Granted (in dollars per share) |  |  |  | $ 45.05 |  |  |  |  |
Career Learning Revenue Performance Based Share Units | Fiscal Year 2021 |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  | 77,690 |  |  |  |  |
Vesting period |  |  |  | 2 years |  |  |  |  |
Career Learning Revenue Performance Based Share Units | Fiscal Year 2022 |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  | 122,080 |  |  |  |  |
Career Learning Revenue Performance Based Share Units | Fiscal Year 2023 |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  | 166,480 |  |  |  |  |
Career Learning Revenue Performance Based Share Units | Vest immediately | Fiscal Year 2021 |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Earned award vesting percentage |  |  |  | 33.33% |  |  |  |  |
Career Learning Revenue Performance Based Share Units | Vest immediately | Fiscal Year 2022 |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Earned award vesting percentage |  |  |  | 33.33% |  |  |  |  |
Career Learning Revenue Performance Based Share Units | Vest annually over two years | Fiscal Year 2021 |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Earned award vesting percentage |  |  |  | 66.67% |  |  |  |  |
Career Learning Revenue Performance Based Share Units | Vest the following year | Fiscal Year 2022 |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Earned award vesting percentage |  |  |  | 66.67% |  |  |  |  |
Restricted Stock |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Stock based compensation expense |  | $ 5.5 | $ 4.5 | $ 16.6 | $ 12.9 |  |  |  |
Fair value of share-based compensation awards granted in period |  |  |  | 20.2 | 28.4 |  |  |  |
Fair value of share-based compensation awards vested in period |  |  |  | $ 23.2 | 17.2 |  |  |  |
Performance shares |  | 1,408,617 |  | 1,408,617 |  | 1,618,604 |  | 1,408,617 | 1,618,604
Unrecognized compensation |  |  |  |  |  |  |  | $ 28.6 |
Weighted average period for recognition of total unrecognized compensation expense related to unvested stock options granted |  |  |  | 1 year 4 months 24 days |  |  |  |  |
Nonvested at the beginning of the period (in shares) |  |  |  | 1,618,604 |  |  |  |  |
Granted (in shares) |  |  |  | 519,808 |  |  |  |  |
Vested (in shares) |  |  |  | (660,909) |  |  |  |  |
Forfeited or canceled (in shares) |  |  |  | (68,886) |  |  |  |  |
Nonvested at the end of the period (in shares) |  | 1,408,617 |  | 1,408,617 |  | 1,618,604 |  |  |
Nonvested at the beginning of the period (in dollars per share) |  |  |  | $ 23.73 |  |  |  |  |
Granted (in dollars per share) |  |  |  | 38.93 |  |  |  |  |
Vested (in dollars per share) |  |  |  | 21.72 |  |  |  |  |
Forfeited or canceled (in dollars per share) |  |  |  | 27.21 |  |  |  |  |
Nonvested at the end of the period (in dollars per share) |  | $ 30.11 |  | $ 30.11 |  | $ 23.73 |  |  |
Vesting period |  |  |  | 3 years |  |  |  |  |
Restricted Stock | Service based awards |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Performance shares |  | 834,007 |  | 834,007 |  |  |  | 834,007 |
Granted (in shares) |  |  |  | 393,391 |  |  |  |  |
Vested (in shares) |  |  |  | (550,315) |  |  |  |  |
Nonvested at the end of the period (in shares) |  | 834,007 |  | 834,007 |  |  |  |  |
Restricted Stock | Vesting Based On Performance And Service |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Performance shares |  | 574,611 |  | 574,611 |  |  |  | 574,611 |
Granted (in shares) |  |  |  | 126,417 |  |  |  |  |
Vested (in shares) |  |  |  | (110,594) |  |  |  |  |
Nonvested at the end of the period (in shares) |  | 574,611 |  | 574,611 |  |  |  |  |
Performance Share Units |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Stock based compensation expense |  | $ 7.4 | 1.5 | $ 14.2 | 4.6 |  |  |  |
Granted (in shares) |  |  |  |  |  | 66,934 |  |  |
Performance shares |  | 2,898,719 |  | 2,898,719 |  | 2,464,853 |  | 2,898,719 | 2,464,853
Unrecognized compensation |  |  |  |  |  |  |  | $ 11.6 |
Weighted average period for recognition of total unrecognized compensation expense related to unvested stock options granted |  |  |  | 8 months 12 days |  |  |  |  |
Nonvested at the beginning of the period (in shares) |  |  |  | 2,464,853 |  |  |  |  |
Granted (in shares) |  |  |  | 477,700 |  |  |  |  |
Forfeited or canceled (in shares) |  |  |  | (43,834) |  |  |  |  |
Nonvested at the end of the period (in shares) |  | 2,898,719 |  | 2,898,719 |  | 2,464,853 |  |  |
Nonvested at the beginning of the period (in dollars per share) |  |  |  | $ 10.78 |  |  |  |  |
Granted (in dollars per share) |  |  |  | 40.17 |  | $ 12.56 |  |  |
Forfeited or canceled (in dollars per share) |  |  |  | 28.10 |  |  |  |  |
Nonvested at the end of the period (in dollars per share) |  | $ 15.36 |  | $ 15.36 |  | $ 10.78 |  |  |
Performance Share Units | 2019 SPP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  |  |  |  | 2,108,305 |  |
Performance Share Units | Fiscal Year 2019 LTIP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Fair value |  |  |  |  |  |  | $ 7.9 |  | $ 0.8
Granted (in shares) |  |  |  |  |  | 34,030 | 263,936 |  |
Granted (in dollars per share) |  |  |  |  |  | $ 23.51 | $ 30.05 |  |
Performance Share Units | Fiscal Year 2020 TRIP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Fair value |  |  |  |  |  |  |  |  | $ 12.3
Performance Share Units | Fiscal Year 2021 MIP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Intrinsic value of awards |  |  |  | $ 4.0 |  |  |  |  |
Performance Share Units | Revenue | Fiscal Year 2020 TRIP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Earned award vesting percentage |  |  |  |  |  | 60.00% |  |  |
Performance Share Units | EBITDA | Fiscal Year 2020 TRIP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Earned award vesting percentage |  |  |  |  |  | 40.00% |  |  |
Performance Shares Tranche #1 | Fiscal Year 2019 LTIP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Earned award vesting percentage |  |  |  |  |  | 45.00% |  |  |
Performance Shares Tranche #1 | Calendar Year 2021 | Fiscal Year 2020 TRIP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Earned award vesting percentage |  |  |  |  |  | 70.00% |  |  |
Performance Shares Tranche #2 | Fiscal Year 2019 LTIP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Earned award vesting percentage |  |  |  |  |  | 25.00% |  |  |
Performance Shares Tranche #2 | Calendar Year 2022 | Fiscal Year 2020 TRIP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Earned award vesting percentage |  |  |  |  |  | 30.00% |  |  |
Performance Shares Tranche #3 | Fiscal Year 2019 LTIP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Earned award vesting percentage |  |  |  |  |  | 30.00% |  |  |
Time Based Award | Fiscal Year 2021 MIP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Intrinsic value of awards |  |  |  | 4.0 |  |  |  |  |
Deferred Stock Units |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Stock based compensation expense |  | $ 0.1 | $ 0.2 | $ 0.3 | $ 0.4 |  |  |  |
Performance shares |  | 59,354 |  | 59,354 |  | 42,102 |  | 59,354 | 42,102
Unrecognized compensation |  |  |  |  |  |  |  | $ 0.3 |
Weighted average period for recognition of total unrecognized compensation expense related to unvested stock options granted |  |  |  | 9 months 18 days |  |  |  |  |
Nonvested at the beginning of the period (in shares) |  |  |  | 42,102 |  |  |  |  |
Granted (in shares) |  |  |  | 17,252 |  |  |  |  |
Nonvested at the end of the period (in shares) |  | 59,354 |  | 59,354 |  | 42,102 |  |  |
Nonvested at the beginning of the period (in dollars per share) |  |  |  | $ 22.42 |  |  |  |  |
Granted (in dollars per share) |  |  |  | 21.01 |  |  |  |  |
Nonvested at the end of the period (in dollars per share) |  | $ 22.01 |  | $ 22.01 |  | $ 22.42 |  |  |
Chief Executive Officer And Executive Chairman | Performance Share Units |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  |  |  | 358,294 |  |  |
Granted (in dollars per share) |  |  |  |  |  | $ 27.91 |  |  |
Chief Executive Officer And Executive Chairman | Performance Share Units | Vesting Performance |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Vesting in first subsequent fiscal year (as a percent) |  |  |  |  |  | 66.67% |  |  |
Vesting in second subsequent fiscal year (as a percent) |  |  |  |  |  | 33.33% |  |  |
Chief Executive Officer And Executive Chairman | Performance Shares Tranche #1 |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Amortization period |  |  |  | 3 years |  |  |  |  |
Senior Executives | Performance Share Units | 2019 SPP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Market capitalization growth performance period |  |  |  |  |  | 3 years |  |  |
Threshold period average price of stock to determine final amount |  |  |  |  |  |  | 30 days |  |
Threshold days after release of fiscal year 2021 results to calculate average price of stock |  |  |  |  |  |  | 7 days |  |
Granted (in dollars per share) |  |  |  |  |  |  | $ 8.18 |  |
Senior Executives | Performance Share Units | Total stock price growth less than 25% | 2019 SPP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Amount earned as percentage of total value growth |  |  |  |  |  |  | 0.00% |  |
Percentage of total stock price growth |  |  |  |  |  |  | 25.00% |  |
Annualized percentage of total stock price growth |  |  |  |  |  |  | 7.60% |  |
Senior Executives | Performance Share Units | Total stock price growth 33% | 2019 SPP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Amount earned as percentage of total value growth |  |  |  |  |  |  | 6.00% |  |
Percentage of total stock price growth |  |  |  |  |  |  | 33.00% |  |
Annualized percentage of total stock price growth |  |  |  |  |  |  | 10.00% |  |
Senior Executives | Performance Share Units | Total stock price growth equals or greater than 95% | 2019 SPP |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Amount earned as percentage of total value growth |  |  |  |  |  |  | 7.50% |  |
Percentage of total stock price growth |  |  |  |  |  |  | 95.00% |  |
Annualized percentage of total stock price growth |  |  |  |  |  |  | 25.00% |  |
Executive Officers | Performance Share Units | Vest immediately upon achievement of the performance goals |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Earned award vesting percentage | 33.33% |  |  | 33.33% |  |  |  |  |
Executive Officers | Performance Share Units | Vest annually over two years |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Earned award vesting percentage | 66.67% |  |  | 66.67% |  |  |  |  |
Vesting period | 2 years |  |  | 2 years |  |  |  |  |
Executive Officers | Performance Share Units | Vesting Performance |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  | 82,710 |  | 141,524 |  |  |
Granted (in dollars per share) |  |  |  | $ 45.33 |  | $ 27.91 |  |  |
Executive Officers | Performance Share Units | Vesting Based On Performance And Service |  |  |  |  |  |  |  |  |
Equity Transactions |  |  |  |  |  |  |  |  |
Number of shares earned upon reaching performance threshold | 13,343 |  |  |  |  |  |  |  |

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