v3.26.1
Summary of Significant Accounting Policies - Disaggregated Revenues (Details)
$ in Thousands
 12 Months Ended
Jun. 30, 2026
USD ($)
item
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Summary of Significant Accounting Policies      
Number of lines of revenue | item 2    
Total Revenues $ 2,518,081 $ 2,405,317 $ 2,040,069
General Education      
Summary of Significant Accounting Policies      
Percentage of revenues from funding-based contracts 96.00% 95.00% 93.00%
Total Revenues $ 1,417,785 $ 1,448,676 $ 1,289,193
Career Learning      
Summary of Significant Accounting Policies      
Total Revenues $ 1,100,296 $ 956,641 $ 750,876
Middle - High School      
Summary of Significant Accounting Policies      
Percentage of revenues from funding-based contracts 100.00% 100.00% 100.00%
Total Revenues $ 1,043,726 $ 876,287 $ 651,191
Adult      
Summary of Significant Accounting Policies      
Total Revenues $ 56,570 $ 80,354 $ 99,685