Short-Term And Long-Term Debt (Details) (USD $)				6 Months Ended						6 Months Ended			6 Months Ended																							6 Months Ended	3 Months Ended
	Dec. 31, 2013	Jun. 30, 2013	Dec. 31, 2012	Dec. 31, 2013 Revolving Credit Facility [Member]	Dec. 31, 2013 Letter of Credit [Member]	Jan. 31, 2014 U.S. Department of Education [Member]	Dec. 31, 2013 U.S. Department of Education [Member]	Dec. 31, 2013 U.S. Department of Education [Member] Revolving Credit Facility [Member]	Dec. 31, 2013 Revolving Credit Facility Due 2015 [Member] Revolving Credit Facility [Member]	Dec. 31, 2013 Senior Secured Term Loan Facility Due 2016 [Member] Rate	Jun. 30, 2013 Senior Secured Term Loan Facility Due 2016 [Member] Rate	Dec. 31, 2012 Senior Secured Term Loan Facility Due 2016 [Member] Rate	Dec. 31, 2013 Credit Agreement [Member] Term Loan [Member]	Dec. 31, 2013 Senior Secured Notes Due 2018 [Member] Rate	Dec. 31, 2012 Senior Secured Notes Due 2018 [Member] Rate	Jun. 30, 2012 Senior Secured Notes Due 2018 [Member] Rate	Dec. 31, 2013 Term Loan [Member] Senior Secured Term Loan Facility Due 2016 [Member]	Jun. 30, 2013 Term Loan [Member] Senior Secured Term Loan Facility Due 2016 [Member]	Dec. 31, 2012 Term Loan [Member] Senior Secured Term Loan Facility Due 2016 [Member]	Dec. 31, 2013 Term Loan [Member] Senior Secured Term Loan Facility, Due in March 2018 [Member]	Jun. 30, 2013 Term Loan [Member] Senior Secured Term Loan Facility, Due in March 2018 [Member]	Dec. 31, 2012 Term Loan [Member] Senior Secured Term Loan Facility, Due in March 2018 [Member]	Dec. 31, 2013 Term Loan [Member] Senior cash pay/PIK notes [Domain]	Jun. 30, 2013 Term Loan [Member] Senior cash pay/PIK notes [Domain]	Dec. 31, 2013 Senior Cash Pay/PIK [Member] Senior cash pay/PIK notes [Member]	Jun. 30, 2013 Senior Cash Pay/PIK [Member] Senior cash pay/PIK notes [Member]	Dec. 31, 2012 Senior Cash Pay/PIK [Member] Senior cash pay/PIK notes [Member]	Mar. 05, 2013 Senior Cash Pay/PIK [Member] Rate	Dec. 31, 2013 Senior Notes [Member] Senior Notes Due 2014 [Member]	Jun. 30, 2013 Senior Notes [Member] Senior Notes Due 2014 [Member]	Dec. 31, 2012 Senior Notes [Member] Senior Notes Due 2014 [Member] Rate	Dec. 31, 2013 Other Long-term Debt [Member]	Jun. 30, 2013 Other Long-term Debt [Member]	Dec. 31, 2012 Other Long-term Debt [Member]	Dec. 31, 2013 Minimum [Member]	Dec. 31, 2013 Maximum [Member] Credit Agreement [Member] Term Loan [Member] Rate	Dec. 31, 2013 Prime Rate [Member] Revolving Credit Facility Due 2015 [Member] Revolving Credit Facility [Member]	Jan. 31, 2014 Subsequent Event [Member] U.S. Department of Education [Member]
Line of Credit Facility [Line Items]
Letters of Credit Outstanding, Amount	$ 354,000,000						$ 348,600,000																															$ 302,200,000
Letters of Credit Oustanding, Percentage of Total Title IV Aid Received by Students						15.00%	15.00%
Line of Credit Facility, Cash Secured					210,000,000
Cash Collateral for Borrowed Securities, Required Percentage of Aggregate																																			105.00%
Line of Credit Facility, Maximum Borrowing Capacity				328,300,000				148,600,000
Cash Collateral for Borrowed Securities	200,000,000
Short-term Debt				75,000,000
Line of Credit Facility, Remaining Borrowing Capacity				174,300,000
Line of Credit Facility, Interest Rate at Period End									6.25%
Basis Spread on Variable Rate										4.00%																										7.00%	3.00%
Line of Credit Facility, Commitment Fee Percentage				0.375%
Stated percentage																												15.00%			8.75%					1.25%
Debt Instrument, Description of Variable Rate Basis													LIBOR																							LIBOR
Original Issue Discount																												13.00%
Effective Percentage																												19.80%
Capitalized discount																				2,593,000	2,898,000	3,203,000	25,024,000	27,712,000
Interest Rate at Period End										4.25%	4.31%	4.38%		8.25%	8.25%	8.25%
Long-term Debt, Excluding Current Maturities [Abstract]
Long-term Debt																	732,412,000	736,454,000	740,497,000	340,776,000	342,364,000	343,954,000			211,073,000	206,242,000	0		0	0	375,000,000	27,000	180,000	324,000
Long-term Debt, Net of Discount	1,284,288,000	1,285,240,000	1,459,775,000
Less current portion	(11,901,000)	(12,076,000)	(12,076,000)
Total long-term debt, less current portion	$ 1,272,387,000	$ 1,273,164,000	$ 1,447,699,000