CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2013	Sep. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (133,657)	$ (81,304)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Goodwill and asset impairment	15,708	85,661
Loss on sale of student receivables		930
Depreciation and amortization expense	56,619	60,555
Bad debt expense	22,028	28,967
Compensation expense related to share-based awards	5,119	7,302
Loss on sale of business	6,973
Loss on disposition of property and equipment	103	293
Changes in operating assets and liabilities	(50,735)	(69,910)
Net cash (used in) provided by operating activities	(77,842)	32,494
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of available-for-sale investments	(40,842)	(117,188)
Sales of available-for-sale investments	52,485	146,873
Purchases of property and equipment	(16,602)	(29,496)
Proceeds on the sale of assets	(2,525)
Business acquisition, net of acquired cash		(3,094)
Other	31	(1,533)
Net cash used in investing activities	(7,453)	(4,438)
CASH FLOWS FROM FINANCING ACTIVITIES:
Purchase of treasury stock		(56,431)
Issuance of common stock	792	1,262
Payments of assumed loans upon business acquisition		(318)
Payments of contingent consideration		(5,818)
Payment on borrowings	(80,000)
Change in restricted cash	85,314
Payments of capital lease obligations	(210)	(741)
Net cash provided by (used in) financing activities	5,896	(62,046)
EFFECT OF FOREIGN CURRENCY EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS:	1,518	(3,774)
NET DECREASE IN CASH AND CASH EQUIVALENTS	(77,881)	(37,764)
DISCONTINUED OPERATIONS CASH ACTIVITY INCLUDED ABOVE:
Add: Cash balance of discontinued operations, beginning of the period	127,742	154,668
Less: Cash balance of discontinued operations, end of the period	131,817	109,683
CASH AND CASH EQUIVALENTS, beginning of the period	112,880	125,924
CASH AND CASH EQUIVALENTS, end of the period	$ 30,924	$ 133,145

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Amount of the current period expense charged against operations and discontinued operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected).