Changes in Carrying Amount of Goodwill, by Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Goodwill [Line Items]
Goodwill beginning balance	$ 508,937	$ 564,841
Acquisitions	8,238
Dispositions	0
Impairments	0
Foreign currency exchange rate changes and other	480
Goodwill ending balance	517,655	564,841
Business, Technology and Management
Goodwill [Line Items]
Goodwill beginning balance	22,196
Acquisitions	0
Dispositions	0
Impairments	0
Foreign currency exchange rate changes and other	0
Goodwill ending balance	22,196
Medical and Healthcare
Goodwill [Line Items]
Goodwill beginning balance	408,994
Acquisitions	0
Dispositions	0
Impairments	0
Foreign currency exchange rate changes and other	0
Goodwill ending balance	408,995
International and Professional Education
Goodwill [Line Items]
Goodwill beginning balance	77,747
Acquisitions	8,238
Dispositions	0
Impairments	0
Foreign currency exchange rate changes and other	480
Goodwill ending balance	$ 86,464