SEGMENT INFORMATION (Tabulation of Business Segment Information Based on Current Segmentation) (Detail) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Jun. 30, 2017
Segment Reporting Information [Line Items]
Total Consolidated Revenue		$ 337,244	$ 333,958	$ 662,522	$ 662,985
Total Consolidated Operating Income (Loss)		55,384	(1,470)	81,126	33,256
Discontinued Operations		41,576	115,273	41,576	115,273	$ 99,810
Total Consolidated Assets		2,210,722	2,301,433	2,210,722	2,301,433	$ 2,314,035
Total Consolidated Additions to Long-Lived Assets		24,197	8,243	36,731	382,423
Total Consolidated Depreciation Expense		12,120	13,330	24,865	26,043
Total Consolidated Amortization Expense		2,463	2,432	4,960	5,695
Discontinued Operations, Held-for-sale [Member]
Segment Reporting Information [Line Items]
Discontinued Operations		41,576	115,273	41,576	115,273
Reconciliation to Consolidated Financial Statements [Member]
Segment Reporting Information [Line Items]
Capital Expenditures		20,060	8,243	32,594	18,771
Increase in Capital Assets from Acquisitions		16	0	16	4,913
Increase in Intangible Assets and Goodwill		4,121	0	4,121	358,739
Total Consolidated Additions to Long-Lived Assets		24,197	8,243	36,731	382,423
Medical and Healthcare [Member]
Segment Reporting Information [Line Items]
Total Consolidated Revenue		203,297	201,409	394,582	401,178
Total Consolidated Operating Income (Loss)		55,047	52,152	81,279	96,016
Total Consolidated Assets		954,114	956,510	954,114	956,510
Total Consolidated Additions to Long-Lived Assets		8,669	3,541	14,336	6,844
Total Consolidated Depreciation Expense		6,332	6,720	12,909	13,198
Professional Education [Member]
Segment Reporting Information [Line Items]
Total Consolidated Revenue		30,359	27,366	70,401	62,096
Total Consolidated Operating Income (Loss)		2,193	134	12,700	6,191
Total Consolidated Assets		444,029	456,824	444,029	456,824
Total Consolidated Additions to Long-Lived Assets		298	0	1,221	363,658
Total Consolidated Depreciation Expense		289	180	527	347
Total Consolidated Amortization Expense		1,626	1,884	3,251	3,786
Technology and Business [Member]
Segment Reporting Information [Line Items]
Total Consolidated Revenue		75,133	73,387	137,572	131,627
Total Consolidated Operating Income (Loss)		13,991	13,482	15,852	11,506
Total Consolidated Assets		610,803	581,355	610,803	581,355
Total Consolidated Additions to Long-Lived Assets		12,407	2,828	15,748	7,613
Total Consolidated Depreciation Expense		2,477	2,169	5,103	4,110
Total Consolidated Amortization Expense		837	548	1,709	1,909
U.S. Traditional Postsecondary [Member]
Segment Reporting Information [Line Items]
Total Consolidated Revenue		29,033	32,445	61,168	69,431
Total Consolidated Operating Income (Loss)		(5,779)	(6,281)	(11,293)	(8,301)
Total Consolidated Assets		55,008	57,246	55,008	57,246
Total Consolidated Additions to Long-Lived Assets		360	559	1,121	1,766
Total Consolidated Depreciation Expense		1,169	1,201	2,300	2,392
Home Office and Other [Member]
Segment Reporting Information [Line Items]
Total Consolidated Revenue		(578)	(649)	(1,201)	(1,347)
Total Consolidated Operating Income (Loss)	[1]	(10,068)	(60,957)	(17,412)	(72,156)
Total Consolidated Assets		105,192	134,225	105,192	134,225
Total Consolidated Additions to Long-Lived Assets		2,463	1,315	4,305	2,542
Total Consolidated Depreciation Expense		$ 1,853	$ 3,060	$ 4,026	$ 5,996

[1] Home Office and Other Operating Loss includes $52.2 million in charges in the three and six months ended December 31, 2016 for regulatory settlements as described in “Note 3: Regulatory Settlements.”