Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Operating activities
Net income	$ 33,037	$ 29,148
Adjustments to reconcile net income to net cash provided by operating activities
Increase in allowance for bad debt	391	6,917
Depreciation and amortization	9,895	8,131
Stock-based compensation	3,004	2,870
Stock issued for director compensation	77	87
Loss on disposal	60
Investment loss	107
Deferred income taxes	1,475	(2,157)
Changes in operating assets and liabilities:
Accounts receivable	3,033	(17,278)
Prepaid expenses and other assets	(6)	1,398
Income tax receivable	3,062	(1,764)
Accounts payable	(5,072)	2,694
Accrued liabilities	2,151	1,716
Deferred revenue and student deposits	2,985	2,734
Net cash provided by operating activities	54,199	34,496
Investing activities
Capital expenditures	(15,093)	(28,510)
Equity investment	(4,000)	(6,750)
Note Receivable		(6,000)
Capitalized program development costs and other assets	(195)	(372)
Net cash used in investing activities	(19,288)	(41,632)
Financing activities
Cash paid for repurchase of common/restricted stock	(8,233)	(13,128)
Cash received from issuance of common stock	1,718	934
Excess tax benefit from stock-based compensation	483	1,885
Net cash used in financing activities	(6,032)	(10,309)
Net increase (decrease) in cash and cash equivalents	28,879	(17,445)
Cash and cash equivalents at beginning of period	114,901	119,006
Cash and cash equivalents at end of period	143,780	101,561
Supplemental disclosure of cash flow information
Income taxes paid	$ 14,985	$ 10,401