BUSINESS COMBINATIONS (Estimated Fair Values of Assets Acquired and Liabilities Assumed) (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 15, 2015	Jun. 30, 2015	Mar. 31, 2015	Feb. 02, 2015	Jan. 02, 2015	Oct. 02, 2014	Jun. 30, 2014	Jun. 30, 2013
Business Acquisition [Line Items]
Goodwill	$ 565,012		$ 552,329	$ 561,406				$ 519,879	$ 508,937
Faculdade Martha Falcao [Member]
Business Acquisition [Line Items]
Current Assets							$ 890
Property and Equipment							1,505
Other Long-term Assets							36
Intangible Assets							5,249
Goodwill							10,454
Total Assets Acquired							18,134
Liabilities Assumed							6,675
Net Assets Acquired							$ 11,459
Damasio Educacional [Member]
Business Acquisition [Line Items]
Current Assets					$ 9,747
Property and Equipment					3,367
Other Long-term Assets					136
Intangible Assets					46,862
Goodwill					44,062
Total Assets Acquired					104,174
Liabilities Assumed					22,832
Net Assets Acquired					$ 81,342
Faculdade Ideal [Member]
Business Acquisition [Line Items]
Current Assets						$ 1,052
Property and Equipment						6,049
Intangible Assets						6,754
Goodwill						1,399
Total Assets Acquired						15,254
Liabilities Assumed						15,144
Net Assets Acquired						$ 110
Grupo Ibmec Educacional S A [Member]
Business Acquisition [Line Items]
Current Assets		$ 27,615
Property and Equipment		13,487
Other Long-term Assets		2,639
Intangible Assets		62,609
Goodwill		108,246
Total Assets Acquired		214,596
Liabilities Assumed		23,802
Net Assets Acquired		$ 190,794