SEGMENT INFORMATION (Tabulation of Business Segment Information Based on Current Segmentation) (Detail) - USD ($) $ in Thousands		3 Months Ended				9 Months Ended
		Mar. 31, 2019		Mar. 31, 2018		Mar. 31, 2019	Mar. 31, 2018	Jun. 30, 2018
Segment Reporting Information [Line Items]
Total Consolidated Revenue		$ 308,609		$ 310,070		$ 909,393	$ 911,424
Total Consolidated Operating Income from Continuing Operations		46,306		52,504		114,097	142,309
Discontinued Operations		0		95,739		0	95,739	$ 60,582
Total Consolidated Assets		2,148,703		2,288,326		2,148,703	2,288,326	$ 2,344,961
Increase in Capital Assets from Acquisitions		0		287		0	303
Increase in Intangible Assets and Goodwill		0		12,663		0	16,735
Total Consolidated Additions to Long-Lived Assets		15,498		31,910		50,853	67,471
Total Consolidated Depreciation Expense		11,161	[1]	11,861	[1]	31,758	33,554
Total Consolidated Amortization Expense		1,994		2,374		6,231	7,333
Discontinued Operations, Held-for-sale [Member]
Segment Reporting Information [Line Items]
Discontinued Operations		0		95,739		0	95,739
Reconciliation to Consolidated Financial Statements [Member]
Segment Reporting Information [Line Items]
Capital Expenditures		15,498		18,960		50,853	50,433
Total Consolidated Additions to Long-Lived Assets		15,498		31,910		50,853	67,471
Medical and Healthcare [Member]
Segment Reporting Information [Line Items]
Total Consolidated Revenue		223,575		220,067		638,302	614,649
Total Consolidated Operating Income from Continuing Operations		53,093		60,304		115,396	141,583
Total Consolidated Assets		827,452		935,360		827,452	935,360
Total Consolidated Additions to Long-Lived Assets		10,978		10,740		37,696	25,076
Total Consolidated Depreciation Expense	[1]	7,680		8,360		20,449	23,171
Professional Education [Member]
Segment Reporting Information [Line Items]
Total Consolidated Revenue		35,935		31,505		113,723	101,906
Total Consolidated Operating Income from Continuing Operations		5,086		2,382		19,469	15,082
Total Consolidated Assets		446,752		455,358		446,752	455,358
Total Consolidated Additions to Long-Lived Assets		84		12,918		1,487	14,139
Total Consolidated Depreciation Expense	[1]	480		533		1,212	1,515
Total Consolidated Amortization Expense		1,605		1,626		4,816	4,876
Technology and Business [Member]
Segment Reporting Information [Line Items]
Total Consolidated Revenue		49,907		59,030		159,791	196,602
Total Consolidated Operating Income from Continuing Operations		(2,561)		(103)		3,165	15,749
Total Consolidated Assets		559,408		625,752		559,408	625,752
Total Consolidated Additions to Long-Lived Assets		2,287		3,746		5,584	19,445
Total Consolidated Depreciation Expense	[1]	2,348		2,569		7,032	7,792
Total Consolidated Amortization Expense		389		748		1,415	2,457
Home Office and Other [Member]
Segment Reporting Information [Line Items]
Total Consolidated Revenue		(808)		(532)		(2,423)	(1,733)
Total Consolidated Operating Income from Continuing Operations		(9,312)		(10,079)		(23,933)	(30,105)
Total Consolidated Assets		315,091		176,117		315,091	176,117
Total Consolidated Additions to Long-Lived Assets		2,149		4,506		6,086	8,811
Total Consolidated Depreciation Expense	[1]	$ 653		$ 399		$ 3,065	$ 1,076

[1] Depreciation expense for each reporting segment has been modified to current presentation to include the Home Office and Other depreciation which is allocated to each reporting segment.