Discontinued Operations and Assets Held for Sale (Summary of Balance Sheet Information of Assets and Liabilities) (Detail) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Jun. 30, 2019
Current Assets:
Cash and cash equivalents	$ 83,961	$ 90,511	$ 95,243
Accounts receivable, net	52,507	65,794	74,269
Prepaid expenses and other current assets	5,949	10,252	8,411
Total current assets held for sale	142,417	166,557	177,923
Noncurrent assets:
Property and equipment, net	57,610	80,234	81,250
Operating lease assets	54,092	0	0
Intangible assets, net	88,403	118,134	120,108
Goodwill	138,914	183,575	187,195
Other assets, net	9,542	8,999	10,338
Total noncurrent assets held for sale	348,561	390,942	398,891
Total assets held for sale	490,978	557,499	576,814
Current liabilities:
Accounts payable	2,378	3,230	4,242
Accrued payroll and benefits	10,671	15,462	17,828
Accrued liabilities	4,891	12,008	10,193
Deferred revenue	8,688	13,990	3,846
Current operating lease liabilities	8,322	0	0
Total current liabilities held for sale	34,950	44,690	36,109
Noncurrent liabilities:
Long-term operating lease liabilities	46,747	0	0
Other liabilities	10,103	16,372	16,146
Total noncurrent liabilities held for sale	56,850	16,372	16,146
Total liabilities held for sale	$ 91,800	$ 61,062	$ 52,255