CONSOLIDATED BALANCE SHEETS (unaudited) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 215,771	$ 243,465
Restricted cash	5,636	3,478
Accounts receivable, less allowance for doubtful accounts of $9,174 and $15,663	99,530	78,928
PEAKS Trust student loans, less allowance for loan losses of $0 and $0	7,730	0
Deferred income taxes	77,549	44,547
Prepaid expenses and other current assets	28,400	16,162
Total current assets	434,616	386,580
Property and equipment, net	168,509	189,890
PEAKS Trust student loans, excluding current portion, less allowance for loan losses of $29,349 and $0	76,479	0
Deferred income taxes	68,324	57,471
Other assets	58,923	41,263
Total assets	806,851	675,204
Current liabilities:
Current portion of long-term debt	50,000	0
Current portion of PEAKS Trust senior debt	157,883	0
Accounts payable	58,021	63,304
Accrued compensation and benefits	18,107	21,023
Other current liabilities	42,136	106,796
Deferred revenue	147,630	135,900
Total current liabilities	473,777	327,023
Long-term debt	0	140,000
PEAKS Trust senior debt, excluding current portion	71,341	0
Other liabilities	146,087	82,416
Total	691,205	549,439
Commitments and contingent liabilities (Note 16)
Shareholders' equity:
Preferred stock, $.01 par value, 5,000,000 shares authorized, none issued	0	0
Common stock, $.01 par value, 300,000,000 shares authorized, 37,068,904 issued	371	371
Capital surplus	200,040	197,113
Retained earnings	940,449	967,473
Accumulated other comprehensive income (loss)	3,146	(7,930)
Treasury stock, 13,698,716 and 13,744,395 shares, at cost	(1,028,360)	(1,031,262)
Total shareholders' equity	115,646	125,765
Total liabilities and shareholders' equity	$ 806,851	$ 675,204