Intangible Assets (Summary Of Goodwill Balances By Reporting Unit) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Jun. 30, 2011	Dec. 31, 2010
Intangible Assets [Line Items]
Goodwill	$ 553,456	$ 523,620	$ 516,648
DeVry University [Member]
Intangible Assets [Line Items]
Goodwill	22,196
Becker Professional Review [Member]
Intangible Assets [Line Items]
Goodwill	29,026
Ross University [Member]
Intangible Assets [Line Items]
Goodwill	237,173
Chamberlain College Of Nursing [Member]
Intangible Assets [Line Items]
Goodwill	4,716
Carrington Colleges Group, Inc. [Member]
Intangible Assets [Line Items]
Goodwill	151,878
American University Of Caribbean [Member]
Intangible Assets [Line Items]
Goodwill	68,321
Advanced Academics [Member]
Intangible Assets [Line Items]
Goodwill	17,074
DeVry Brasil [Member]
Intangible Assets [Line Items]
Goodwill	$ 23,072