Commitments and Contingencies Commitments and Contingencies - Litigation Status (Details) (USD $)	12 Months Ended				1 Months Ended				12 Months Ended	1 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2012 Pending Litigation [Member] Qui Tam Matters [Member] States	May 31, 2010 Pending Litigation [Member] Buirkle APA Program Accreditation Lawsuit [Member] arbitration	Mar. 31, 2010 Pending Litigation [Member] Buirkle APA Program Accreditation Lawsuit [Member] Plantiffs	May 31, 2010 Pending Litigation [Member] District Court of Dallas County, Texas [Member] Plantiffs	Dec. 31, 2010 Threatened Litigation [Member] Attorney General of the Commonwealth of Kentucky [Member] Education_Systems Subpoenas	Jun. 30, 2012 Threatened Litigation [Member] Florida Attorney General [Member] Education_Systems	Dec. 31, 2011 Threatened Litigation [Member] City Attorney of the City of San Francisco, California [Member] Education_Systems	Jun. 30, 2012 Surety Bond [Member]
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss				$ 11,000,000,000
Number of plaintiffs				5		15
Loss Contingency, Number of Locations Impacted								3	9	7
Loss Contingency Trial, Arbitratioin Or Alternative Dispute Resolution					4		3
Loss Contingency, Number of Subpoenas Received								6
Rent expense on operating leases	191,800,000	192,200,000	174,800,000
Rent expense, student housing	51,400,000	50,700,000	49,600,000
Annual Minimum Future Commitments Under Non-Cancelable, Long-Term Operating Leases [Abstract]
2013	175,959,000
2014	160,666,000
2015	137,779,000
2016	117,408,000
2017	113,189,000
Thereafter	339,436,000
Surety Bonds											$ 23.2