Short-Term And Long-Term Debt Short-Term And Long-Term Debt (Details) (USD $)	12 Months Ended						12 Months Ended				12 Months Ended			3 Months Ended	12 Months Ended									12 Months Ended									12 Months Ended										12 Months Ended		12 Months Ended				12 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2010	Mar. 30, 2012	Jun. 30, 2012 Revolving Credit Facility [Member]	Mar. 30, 2012 Revolving Credit Facility [Member]	Jun. 30, 2011 Revolving Credit Facility [Member]	Dec. 07, 2010 Revolving Credit Facility [Member]	Jun. 30, 2012 Term Loan [Member]	Jun. 30, 2011 Term Loan [Member]	Dec. 07, 2010 Term Loan [Member]	Jun. 30, 2011 Senior Subordinated Notes [Member]	Jun. 30, 2011 Senior Subordinated Notes [Member]	Jun. 30, 2012 Letter of Credit [Member]	Dec. 07, 2010 Lenders Providing Extended Revolving Credit Facility [Member] Revolving Credit Facility [Member]	Dec. 07, 2010 Lenders Holding Aggregated Term Loan [Member] Term Loan [Member]	Jun. 30, 2012 U.S. Department of Education [Member]	Jun. 30, 2012 U.S. Department of Education [Member] Revolving Credit Facility [Member]	Mar. 30, 2012 Cedit Agreement [Member] Term Loan [Member]	Jun. 30, 2012 Revolving Credit Facility Due 2012 [Member] Revolving Credit Facility [Member]	Jun. 30, 2012 Revolving Credit Facility Due 2015 [Member] Revolving Credit Facility [Member]	Jun. 30, 2012 Senior Notes [Member] Number	Jun. 30, 2012 Senior Notes [Member] Senior Secured Notes Due 2013 [Member]	Jun. 30, 2011 Senior Notes [Member] Senior Secured Notes Due 2013 [Member]	Jun. 30, 2012 Senior Notes [Member] Senior Secured Notes Due 2016 [Member]	Jun. 30, 2011 Senior Notes [Member] Senior Secured Notes Due 2016 [Member]	Jun. 30, 2012 Senior Notes [Member] Senior Securred Term Loan Facility, Due in March 2012, nef of $3,508 [Member]	Jun. 30, 2011 Senior Notes [Member] Senior Securred Term Loan Facility, Due in March 2012, nef of $3,508 [Member]	Jun. 30, 2012 Senior Notes [Member] Senior Notes Due 2014 [Member]	Jun. 30, 2011 Senior Notes [Member] Senior Notes Due 2014 [Member]	Jun. 30, 2012 Senior Notes [Member] Senior Subordinated Notes Due 2016 [Member]	Jun. 30, 2011 Senior Notes [Member] Senior Subordinated Notes Due 2016 [Member]	Dec. 31, 2011 Senior Notes [Member] Senior Subordinated Notes Due 2016 [Member]	Jun. 30, 2012 Senior Subordinated Notes [Member]	Oct. 31, 2009 Senior Subordinated Notes [Member]	Jun. 30, 2012 Other Long-term Debt [Member]	Jun. 30, 2011 Other Long-term Debt [Member]	Dec. 07, 2010 Other Long-term Debt [Member] Senior Notes Due 2014 [Member] Term Loan [Member]	Jun. 30, 2012 Minimum [Member]	Jun. 30, 2012 Maximum [Member] Letter of Credit [Member]	Jun. 30, 2012 Maximum [Member] Cedit Agreement [Member] Revolving Credit Facility [Member]	Dec. 07, 2010 Maximum [Member] Cedit Agreement [Member] Revolving Credit Facility [Member]	Jun. 30, 2012 Maximum [Member] Cedit Agreement [Member] Term Loan [Member]	Mar. 30, 2012 Maximum [Member] Cedit Agreement [Member] Term Loan [Member]	Jun. 30, 2012 Maximum [Member] Senior Notes [Member]	Dec. 07, 2010 Libor Based Market Rate Spreads [Member] Maximum [Member] Senior Secured Notes Due 2016 [Member] Lenders Holding Aggregated Term Loan [Member] Term Loan [Member]	Jun. 30, 2012 Prime Rate [Member] Lenders Holding Aggregated Term Loan [Member] Revolving Credit Facility [Member]	Jun. 02, 2012 Prime Rate [Member] Lenders Holding Aggregated Term Loan [Member] Revolving Credit Facility [Member]	Jun. 30, 2012 Prime Rate [Member] Revolving Credit Facility Due 2012 [Member] Revolving Credit Facility [Member]	Jun. 30, 2012 Prime Rate [Member] Revolving Credit Facility Due 2015 [Member] Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net	$ 3,500,000
Long-term Debt, Net of Discount	1,465,544,000		1,478,850,000
Line of Credit Facility, Maximum Borrowing Capacity							328,300,000	348,600,000		442,500,000							328,300,000	758,700,000		214,500,000	350,000,000																													114,200,000
Other Long-term Debt																											746,600,000
Capitalized Financing Costs																																																	2,100,000
Cash Collateral for Borrowed Securities	200,000,000
Cash Collateral for Borrowed Securities, Required Percentage of Aggregate																																									105.00%
Debt Instrument, Original Issue Discount						97.00%
Debt Issuance Cost											2,200,000
Refinancing costs, payments to sponsors											700,000
Capitalized discount											3,600,000
Debt Instrument, Maximum Borrowing Capacity													1,100,000,000
Debt Instrument, Description of Variable Rate Basis																																											LIBOR		LIBOR
Debt Instrument, Basis Spread on Variable Rate																																											4.00%	3.00%	4.00%	7.00%		2.50%			0.50%	3.00%
Debt Instrument, Interest Rate Increase																																																	0.025
Gains (Losses) on Debt Amendment, before Write off of Deferred Debt Issuance Cost											9,500,000	8,400,000		3,000,000	11,400,000
Stated Percentage																								8.75%												10.25%				1.50%				0.50%		1.25%
Gains (Losses) on Extinguishment of Debt, before Write off of Deferred Debt Issuance Cost																																	3,000,000	47,200,000
Write off of Deferred Debt Issuance Cost											2,000,000	5,100,000																					600,000	5,600,000
Gain (Losses) on Debt Amendment											7,500,000	3,300,000
Gains (Losses) on Extinguishment of Debt	(9,474,000)		(11,368,000)		(47,207,000)																												2,400,000
Short-term Debt							111,300,000		79,000,000
Letters of Credit Outstanding, Amount	417,000,000																		414,500,000
Letters of Credit Oustanding, Percentage of Total Title IV Aid Received by Students																			15.00%
Letter of Credit, Collateralized, Number	2
Line of Credit Facility, Cash Secured	210,000,000	[1]	0	[1]												210,000,000																										200,000,000
Line of Credit Facility, Interest Rate at Period End																						3.75%	6.25%
Line of Credit Facility, Commitment Fee Percentage							0.375%
Long-term Debt, Excluding Current Maturities [Abstract]
Long-term Debt	1,465,544,000																							375,000,000	0	350,503,000	744,539,000	752,624,000	345,545,000	0	375,000,000	375,000,000				385,000,000		460,000	723,000
Less current portion	(12,076,000)		(12,076,000)
Total long-term debt, less current portion	1,453,468,000		1,466,774,000
Guarantor Obligations, Inactive Subsidiary, Asset Threshold																																															100,000
Line of Credit Facility, Periodic Principal Payment Percentage																								0.25%
Line of Credit Faciltiy, Number of Debt Covenant Ratios																								2
Debt Instrument, Debt Default, Amount																								50,000,000
Redemption Premium																								1.01
Debt Instrument, Repurchased Face Amount																																		337,300,000	47,700,000		316,000,000
Maturities of Long-term Debt [Abstract]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	12,076,000
Long-term Debt, Maturities, Repayments of Principal in Year Two	387,134,000
Long-term Debt, Maturities, Repayments of Principal in Year Three	11,875,000
Long-term Debt, Maturities, Repayments of Principal in Year Four	724,072,000
Long-term Debt, Maturities, Repayments of Principal in Year Five	3,753,000
Long-term Debt, Maturities, Repayments of Principal after Year Five	326,634,000
Long-term Debt, Excluding Current Maturities	$ 1,465,544,000																							$ 375,000,000	$ 0	$ 350,503,000	$ 744,539,000	$ 752,624,000	$ 345,545,000	$ 0	$ 375,000,000	$ 375,000,000				$ 385,000,000		$ 460,000	$ 723,000

[1] During fiscal 2012, the Company entered into two cash secured letter of credit facilities pursuant to which the lenders agreed to issue letters of credit to the U.S. Department of Education. Refer to Note 8, "Short-Term and Long-Term Debt" for more details.