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SEGMENT INFORMATION (Tabulation of Business Segment Information Based on Current Segmentation) (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total Consolidated Revenue | $ 319,787 | $ 310,070 | $ 308,211 | $ 293,143 | $ 315,216 | $ 299,138 | $ 301,513 | $ 292,042 | $ 1,231,211 | $ 1,207,909 | $ 1,080,075
Total Consolidated Operating Income from Continuing Operations | 65,167 | $ 52,505 | $ 59,918 | $ 29,886 | 51,741 | $ 45,466 | $ 3,164 | $ 35,127 | 207,476 | 135,498 | 156,090
Discontinued Operations | 60,582 |  |  |  | 165,236 |  |  |  | 60,582 | 165,236 |
Total Consolidated Assets | 2,344,961 |  |  |  | 2,315,018 |  |  |  | 2,344,961 | 2,315,018 | 2,096,996
Total Consolidated Additions to Long-Lived Assets |  |  |  |  |  |  |  |  | 85,835 | 405,748 | 244,526
Total Consolidated Depreciation Expense |  |  |  |  |  |  |  |  | 43,286 | 45,805 | 43,319
Total Consolidated Amortization Expense |  |  |  |  |  |  |  |  | 9,538 | 11,169 | 5,192
Discontinued Operations, Held-for-sale [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Discontinued Operations | 60,582 |  |  |  | 165,236 |  |  |  | 60,582 | 165,236 | 200,643
Reconciliation to Consolidated Financial Statements [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Capital Expenditures |  |  |  |  |  |  |  |  | 66,530 | 42,508 | 51,455
Increase in Capital Assets from Acquisitions |  |  |  |  |  |  |  |  | 381 | 4,913 | 13,778
Increase in Intangible Assets and Goodwill |  |  |  |  |  |  |  |  | 18,924 | 358,327 | 179,293
Total Consolidated Additions to Long-Lived Assets |  |  |  |  |  |  |  |  | 85,835 | 405,748 | 244,526
Medical and Healthcare [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total Consolidated Revenue |  |  |  |  |  |  |  |  | 815,674 | 802,462 | 783,655
Total Consolidated Operating Income from Continuing Operations |  |  |  |  |  |  |  |  | 189,672 | 187,138 | 178,484
Total Consolidated Assets | 988,920 |  |  |  | 905,741 |  |  |  | 988,920 | 905,741 | 834,975
Total Consolidated Additions to Long-Lived Assets |  |  |  |  |  |  |  |  | 34,099 | 15,774 | 25,645
Total Consolidated Depreciation Expense |  |  |  |  |  |  |  |  | 29,731 | 31,938 | 33,795
Professional Education [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total Consolidated Revenue |  |  |  |  |  |  |  |  | 147,195 | 131,769 | 102,921
Total Consolidated Operating Income from Continuing Operations |  |  |  |  |  |  |  |  | 27,695 | 19,866 | 28,043
Total Consolidated Assets | 456,589 |  |  |  | 451,261 |  |  |  | 456,589 | 451,261 | 91,741
Total Consolidated Additions to Long-Lived Assets |  |  |  |  |  |  |  |  | 15,063 | 364,275 | 1,120
Total Consolidated Depreciation Expense |  |  |  |  |  |  |  |  | 1,999 | 1,869 | 1,550
Total Consolidated Amortization Expense |  |  |  |  |  |  |  |  | 6,501 | 7,482 | 563
Technology and Business [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total Consolidated Revenue |  |  |  |  |  |  |  |  | 270,934 | 276,341 | 196,097
Total Consolidated Operating Income from Continuing Operations |  |  |  |  |  |  |  |  | 29,431 | 36,204 | 13,580
Total Consolidated Assets | 547,110 |  |  |  | 606,563 |  |  |  | 547,110 | 606,563 | 583,020
Total Consolidated Additions to Long-Lived Assets |  |  |  |  |  |  |  |  | 25,998 | 19,222 | 206,955
Total Consolidated Depreciation Expense |  |  |  |  |  |  |  |  | 10,282 | 10,117 | 5,444
Total Consolidated Amortization Expense |  |  |  |  |  |  |  |  | 3,037 | 3,687 | 4,629
Home Office and Other [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total Consolidated Revenue |  |  |  |  |  |  |  |  | (2,592) | (2,663) | (2,598)
Total Consolidated Operating Income from Continuing Operations |  |  |  |  |  |  |  |  | (39,322) | (107,710) | (64,017)
Total Consolidated Assets | $ 291,760 |  |  |  | $ 186,217 |  |  |  | 291,760 | 186,217 | 386,617
Total Consolidated Additions to Long-Lived Assets |  |  |  |  |  |  |  |  | 10,675 | 6,477 | 10,806
Total Consolidated Depreciation Expense |  |  |  |  |  |  |  |  | $ 1,274 | $ 1,881 | $ 2,530

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