Changes in Carrying Amount of Goodwill, by Segment (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jun. 30, 2012	Jun. 30, 2011
Goodwill [Line Items]
Goodwill beginning balance	$ 523,620	$ 514,864
Acquisitions	86,112	5,010
Dispositions	(413)
Impairments	(50,914)
Foreign currency exchange rate changes and other	(8,444)	3,746
Goodwill ending balance	549,961	523,620
Business, Technology and Management
Goodwill [Line Items]
Goodwill beginning balance	22,196	22,196
Acquisitions
Dispositions
Impairments
Foreign currency exchange rate changes and other
Goodwill ending balance	22,196	22,196
Medical and Healthcare
Goodwill [Line Items]
Goodwill beginning balance	427,606	427,606
Acquisitions	68,321
Dispositions
Impairments	(33,839)
Foreign currency exchange rate changes and other
Goodwill ending balance	462,088	427,606
International K-12 and Professional Education
Goodwill [Line Items]
Goodwill beginning balance	73,818	65,062
Acquisitions	17,791	5,010
Dispositions	(413)
Impairments	(17,075)
Foreign currency exchange rate changes and other	(8,444)	3,746
Goodwill ending balance	$ 65,677	$ 73,818

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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+ Details

- Definition

The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation.

+ References+ Details

- Definition

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

+ References

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+ Details

- Definition

The increase (decrease) in the recorded value of goodwill for foreign currency translation adjustments and purchase accounting adjustments needed to revise the carrying amount of goodwill to fair value.

+ References

+ Details