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BUSINESS COMBINATIONS (Acquired Intangible Assets Subject to Amortization and Values and Estimated Useful Lives) (Detail) - USD ($) $ in Thousands | Dec. 15, 2015 | Feb. 02, 2015 | Oct. 02, 2014 | Jul. 02, 2013
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Faculdade Diferencial Integral [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Amortizable intangible assets, estimated useful lives |  |  |  | 15 years
Faculdade Diferencial Integral [Member] | Clinical Agreements [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Amortizable intangible assets |  |  |  | $ 583
Amortizable intangible assets, estimated useful lives |  |  |  | 15 years
Damasio Educacional [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Amortizable intangible assets, estimated useful lives |  | 8 years |  |
Damasio Educacional [Member] | Student Relationships [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Amortizable intangible assets |  | $ 5,294 |  |
Amortizable intangible assets, estimated useful lives |  | 6 years |  |
Damasio Educacional [Member] | Franchise Contracts [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Amortizable intangible assets |  | $ 13,085 |  |
Amortizable intangible assets, estimated useful lives |  | 18 years |  |
Damasio Educacional [Member] | Test Preparation Relationships [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Amortizable intangible assets |  | $ 1,342 |  |
Amortizable intangible assets, estimated useful lives |  | 1 year |  |
Faculdade Martha Falcao [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Amortizable intangible assets, estimated useful lives |  |  | 2 years |
Faculdade Martha Falcao [Member] | Curriculum Software [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Amortizable intangible assets |  |  | $ 121 |
Amortizable intangible assets, estimated useful lives |  |  | 2 years |
Grupo Ibmec Educacional S A [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Amortizable intangible assets, estimated useful lives | 5 years |  |  |
Grupo Ibmec Educacional S A [Member] | Student Relationships [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Amortizable intangible assets | $ 5,720 |  |  |
Amortizable intangible assets, estimated useful lives | 5 years |  |  |
Grupo Ibmec Educacional S A [Member] | Curriculum Software [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Amortizable intangible assets | $ 1,821 |  |  |
Amortizable intangible assets, estimated useful lives | 5 years |  |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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