Equity Incentive Plan - Long Term Incentive Plan (LTIP) (Details)	1 Months Ended							3 Months Ended			12 Months Ended
	Dec. 31, 2022 tranche	Aug. 31, 2022 shares	Jan. 31, 2022 shares	Oct. 31, 2021 item shares	Sep. 30, 2021 $ / shares	Sep. 17, 2021 employee shares	Aug. 31, 2021 shares	Dec. 31, 2023 shares	Dec. 31, 2022 tranche shares	Dec. 31, 2021 shares	Jun. 30, 2024 USD ($) $ / shares shares	Jun. 30, 2023 USD ($) $ / shares shares	Jun. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2021 USD ($) $ / shares shares	Jun. 30, 2020 USD ($) $ / shares shares	Jun. 30, 2019 USD ($) $ / shares shares
Equity Transactions
Vested (in shares)		238,863
Share based compensation, number of tranches forfeited | item				2
2019 SPP
Equity Transactions
Vesting period																3 years
Fiscal Year 2021 LTIP
Equity Transactions
Earned award vesting percentage	123.00%
Number of metrics assumed to be achieved | tranche	2								2
Number of metrics assumed to be achieved at threshold | tranche	1								1
Vest immediately | Fiscal Year 2022
Equity Transactions
Earned award vesting percentage													2.00%
Vest immediately | Fiscal Year 2021 LTIP
Equity Transactions
Earned award vesting percentage														40.00%
Vested (in shares)														4,533
Vest annually over two years. | Fiscal Year 2021 LTIP
Equity Transactions
Earned award vesting percentage														60.00%
Vested (in shares)														6,797
Vest the following year
Equity Transactions
Vested (in shares)		77,048
Certified achievement percentage		200.00%
Career Learning Revenue Performance Based Share Units
Equity Transactions
Granted (in shares)														366,250
Granted (in dollars per share) | $ / shares														$ 45.05
Fair value | $														$ 16,500,000
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														1.00%
Career Learning Revenue Performance Based Share Units | Vest annually over two years.
Equity Transactions
Earned award vesting percentage													1.00%
Career Learning Revenue Performance Based Share Units | Vest annually over two years. | Fiscal Year 2021
Equity Transactions
Earned award vesting percentage														2.00%
Performance Share Units
Equity Transactions
Granted (in shares)											375,725	366,507	346,880
Granted (in dollars per share) | $ / shares											$ 41.85	$ 33.87	$ 34.90
Vested (in shares)											22,468	119,467	1,810,752
Canceled (in shares)											(90,595)	(105,473)	(1,058,870)
Unrecognized compensation | $											$ 21,800,000
Weighted average period for recognition of total unrecognized compensation expense related to unvested stock options granted											1 year 4 months 24 days
Stock based compensation expense | $											$ 15,400,000	$ 4,900,000	$ 100,000
Performance Share Units | 2019 SPP
Equity Transactions
Granted (in shares)															66,934	2,108,305
Number of named executive officers | employee						6
Granted (in dollars per share) | $ / shares															$ 12.56	$ 8.18
Vesting period						3 years
Vested (in shares)						1,656,594
Threshold period average price of stock to determine final amount				30 days
Average price of Company stock during the performance period (in dollars per share) | $ / shares					$ 34.13
Market capitalization growth (as a percent)						112.00%
Performance Share Units | 2019 SPP | Senior Executives
Equity Transactions
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
Performance Share Units | 2019 SPP | Total stock price growth less than 25% | Senior Executives
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%
Performance Share Units | 2019 SPP | Total Stock Price Growth 33% | Senior Executives
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%
Performance Share Units | 2019 SPP | Total Stock Price Growth Equals or Greater than 95% | Senior Executives
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%
Performance Share Units | Fiscal Year 2019 LTIP
Equity Transactions
Granted (in shares)															34,030	263,936
Granted (in dollars per share) | $ / shares															$ 23.51	$ 30.05
Fair value | $															$ 800,000	$ 7,900,000
Vested (in shares)				115,223
Canceled (in shares)				(107,397)
Performance Share Units | Fiscal Year 2020 TRIP
Equity Transactions
Fair value | $															$ 12,300,000
Performance Share Units | Fiscal Year 2021 MIP
Equity Transactions
Granted (in shares)								13,066	37,886	38,575
Earned award vesting percentage									0.33%	33.33%
Performance Share Units | Fiscal Year 2021 LTIP
Equity Transactions
Granted (in shares)														111,450
Granted (in dollars per share) | $ / shares														$ 24.15
Fair value | $														$ 2,700,000
Performance Share Units | Fiscal Year 2022 LTIP
Equity Transactions
Granted (in shares)													250,250
Granted (in dollars per share) | $ / shares													$ 36.30
Vesting period													3 years
Fair value | $													$ 9,100,000
Performance Share Units | Fiscal Year 2023 LTIP
Equity Transactions
Granted (in shares)												289,640
Granted (in dollars per share) | $ / shares												$ 34.41
Vesting period												3 years
Fair value | $												$ 10,000,000.0
Performance Share Units | Fiscal Year 2024 LTIP
Equity Transactions
Granted (in shares)											354,090
Granted (in dollars per share) | $ / shares											$ 40.84
Vesting period											3 years
Fair value | $											$ 14,400,000
Performance Share Units | Tech Elevator
Equity Transactions
Stock based compensation expense | $											$ 300,000	1,000,000.0	$ 1,300,000
Performance Share Units | Tech Elevator | Fiscal Year 2021 MIP
Equity Transactions
Intrinsic value of awards | $														$ 4,000,000.0
Performance Share Units | Vest immediately upon achievement of the performance goals | Chief Executive Officer
Equity Transactions
Earned award vesting percentage			33.33%
Performance Share Units | Vest immediately upon achievement of the performance goals | Executive Officers
Equity Transactions
Earned award vesting percentage							33.33%
Performance Share Units | Vest annually over two years | Executive Officers
Equity Transactions
Earned award vesting percentage							66.67%
Performance Share Units | Vesting Based on Performance | Chief Executive Officer
Equity Transactions
Granted (in shares)														30,364
Granted (in dollars per share) | $ / shares														$ 24.70
Performance Share Units | Vesting Based on Performance | Executive Officers
Equity Transactions
Granted (in shares)														82,710
Granted (in dollars per share) | $ / shares														$ 45.33
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 Share Units | Vest annually over two years. | Chief Executive Officer
Equity Transactions
Earned award vesting percentage			66.67%
Vesting period			2 years
Performance Share Units | Vest annually over two years. | Executive Officers
Equity Transactions
Vesting period							2 years
Performance Share Units | Vesting Based On Performance And Service | Chief Executive Officer
Equity Transactions
Number of shares earned upon reaching performance threshold			10,020
Certified achievement percentage			133.00%
Performance Share Units | Vesting Based On Performance And Service | Executive Officers
Equity Transactions
Number of shares earned upon reaching performance threshold							27,293
Certified achievement percentage							133.00%
Performance Shares Tranche #1 | Fiscal Year 2019 LTIP
Equity Transactions
Earned award vesting percentage															45.00%
Performance Shares Tranche #1 | Fiscal Year 2020 TRIP | Calendar Year 2021
Equity Transactions
Earned award vesting percentage															70.00%
Performance Shares Tranche #1 | Fiscal Year 2022 LTIP
Equity Transactions
Share-based Compensation Arrangement by Share-based Payment Award, Probable Percentage of Metric Target will be Achieved													70.00%
Performance Shares Tranche #1 | Fiscal Year 2023 LTIP
Equity Transactions
Fair value | $												4,800,000
Share based payment award fair market value decrease | $												$ 800,000
Performance Shares Tranche #1 | Vest immediately | Fiscal Year 2022 LTIP
Equity Transactions
Earned award vesting percentage													50.00%
Performance Shares Tranche #1 | Vest immediately | Fiscal Year 2023 LTIP
Equity Transactions
Earned award vesting percentage												50.00%
Performance Shares Tranche #1 | Vest immediately | Fiscal Year 2024 LTIP
Equity Transactions
Earned award vesting percentage											75.00%
Performance Shares Tranche #1 | Vest annually over two years. | Fiscal Year 2023 LTIP
Equity Transactions
Earned award vesting percentage												50.00%
Performance Shares Tranche #1 | Vest annually over two years. | Fiscal Year 2024 LTIP
Equity Transactions
Earned award vesting percentage											25.00%
Performance Shares Tranche #2 | Fiscal Year 2019 LTIP
Equity Transactions
Earned award vesting percentage															25.00%
Certified achievement percentage				193.00%
Performance Shares Tranche #2 | Fiscal Year 2020 TRIP | Calendar Year 2022
Equity Transactions
Earned award vesting percentage															30.00%
Performance Shares Tranche #2 | Vest annually over two years. | Fiscal Year 2022 LTIP
Equity Transactions
Earned award vesting percentage													50.00%
Performance Shares Tranche #3 | Fiscal Year 2019 LTIP
Equity Transactions
Earned award vesting percentage																30.00%
Time Based Award
Equity Transactions
Deferred Compensation Liability | $											$ 0
Time Based Award | Tech Elevator | Fiscal Year 2021 MIP
Equity Transactions
Vesting period														3 years
Intrinsic value of awards | $														$ 4,000,000.0
Time Based Award | Vest immediately | Tech Elevator | Fiscal Year 2021 MIP
Equity Transactions
Earned award vesting percentage														70.00%
Time Based Award | Vest annually over two years. | Tech Elevator | Fiscal Year 2021 MIP
Equity Transactions
Earned award vesting percentage														30.00%