Balance Sheet Information of Held for Sale Assets and Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current Assets:
Cash and Cash Equivalents	$ 568	$ (308)
Accounts Receivable, Net	12,050	21,336
Deferred Income Taxes, Net	2,757	168
Prepaid Expenses and Other	844	7,510
Total Current Assets of Divested Business	16,219	28,706
Land, Building and Equipment of Divested Business, Net	0	5,521
Other Assets:
Deferred Income Taxes, Net	2,602	498
Other Assets	3,185	220
Total Other Assets of Divested Business	5,787	718
Total Assets of Divested Business	22,006	34,945
Current Liabilities:
Accounts Payable	178	286
Accrued Salaries, Wages and Benefits	482	436
Accrued Expenses	47	34
Deferred and Advance Tuition	6	774
Total Current Liabilities of Divested Business	713	1,530
Other Liabilities:
Deferred Rent and Other	112	0
Total Other Liabilities of Divested Business	112	0
Liabilities of Divested Business	$ 825	$ 1,530