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Discontinued Operations and Assets Held for Sale (Summary of Income Statement Information of Operations) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2019
Discontinued Operations And Disposal Groups [Abstract] |  |  |
Revenue | $ 0 | $ 157,695 | $ 421,560
Operating cost and expense: |  |  |
Cost of educational services | 0 | 105,118 | 261,175
Student services and administrative expense | 33,946 | 113,449 | 142,516
Restructuring expense | 0 | 646 | 388
Asset impairment charge - building and equipment | 0 | 0 | 1,953
Total operating cost and expense | 33,946 | 219,213 | 406,032
Operating (loss) income | (33,946) | (61,518) | 15,528
Interest and dividend income | 0 | 1,862 | 4,008
Interest expense | 0 | (2,922) | (3,733)
Net other (expense) income | 0 | (1,060) | 275
Loss from discontinued operations before income taxes | (33,946) | (62,578) | 15,803
Benefit from income taxes | 8,819 | 20,823 | 6,513
Net income attributable to redeemable noncontrolling interest from discontinued operations | 0 | 0 | (791)
Net loss from discontinued operations | $ (25,127) | $ (329,315) | $ (12,079)

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