Summary of Goodwill Balances by Reporting Segment (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Intangible Assets [Line Items]
Goodwill	$ 508,937	$ 549,961	$ 523,620
Business, Technology and Management
Intangible Assets [Line Items]
Goodwill	22,196	22,196	22,196
Medical and Healthcare
Intangible Assets [Line Items]
Goodwill	408,994	462,088	427,606
International and Professional Education
Intangible Assets [Line Items]
Goodwill	$ 77,747	$ 65,677	$ 73,818