BUSINESS COMBINATIONS (Acquired Intangible Assets Subject to Amortization and Values and Estimated Useful Lives) (Detail) - USD ($) $ in Thousands	May 31, 2019	Nov. 01, 2017	Jul. 02, 2016	Jul. 01, 2017
OnCourse Learning [Member]
Business Acquisition [Line Items]
Amortizable intangible assets, estimated useful lives	9 years
OnCourse Learning [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Intangible assets, finite lived	$ 26,400
Amortizable intangible assets, estimated useful lives	11 years
OnCourse Learning [Member] | Curriculum/Software [Member]
Business Acquisition [Line Items]
Intangible assets, finite lived	$ 11,600
Amortizable intangible assets, estimated useful lives	6 years
OnCourse Learning [Member] | Course Delivery Technology
Business Acquisition [Line Items]
Intangible assets, finite lived	$ 6,700
Amortizable intangible assets, estimated useful lives	5 years
Sao Judas Tadeu [Member]
Business Acquisition [Line Items]
Amortizable intangible assets, estimated useful lives		6 months
Sao Judas Tadeu [Member] | Student Relationships [Member]
Business Acquisition [Line Items]
Intangible assets, finite lived		$ 162
Amortizable intangible assets, estimated useful lives		6 months
Association Of Certified Anti-Money Laundering Specialists [Member]
Business Acquisition [Line Items]
Amortizable intangible assets, estimated useful lives			9 years
Association Of Certified Anti-Money Laundering Specialists [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Intangible assets, finite lived				$ 42,500
Amortizable intangible assets, estimated useful lives			10 years
Association Of Certified Anti-Money Laundering Specialists [Member] | Curriculum/Software [Member]
Business Acquisition [Line Items]
Intangible assets, finite lived				5,000
Amortizable intangible assets, estimated useful lives			3 years
Association Of Certified Anti-Money Laundering Specialists [Member] | Noncompete Agreements [Member]
Business Acquisition [Line Items]
Intangible assets, finite lived				700
Amortizable intangible assets, estimated useful lives			1 year
Association Of Certified Anti-Money Laundering Specialists [Member] | Course Delivery Technology
Business Acquisition [Line Items]
Intangible assets, finite lived				$ 500
Amortizable intangible assets, estimated useful lives			4 years