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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net loss | $ (46,593) | $ (48,158)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities: |  |
Goodwill and asset impairment | 4,123 | 85,661
Depreciation and amortization expense | 38,235 | 40,126
Bad debt expense | 14,042 | 17,779
Compensation expense related to share-based awards | 3,406 | 5,735
Loss on sale of business | 6,934 |
Loss on disposition of property and equipment | 103 | 287
Changes in operating assets and liabilities | (87,225) | (84,853)
Net cash (used in) provided by operating activities | (66,975) | 16,577
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Purchases of available-for-sale investments | (34,570) | (108,198)
Sales of available-for-sale investments | 34,485 | 108,188
Purchases of property and equipment | (10,005) | (19,990)
Payments of cash upon sale of business | (2,525) |
Business acquisition, net of acquired cash |  | (2,873)
Other | 9 | (120)
Net cash used in investing activities | (12,606) | (22,993)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Purchase of treasury stock |  | (56,431)
Issuance of common stock | 565 | 883
Payments of contingent consideration |  | (5,818)
Payment on borrowings | (80,000) |
Change in restricted cash | 85,912 |
Payments of assumed loans upon business acquisition |  | (318)
Payments of capital lease obligations | (210) | (641)
Net cash provided by (used in) financing activities | 6,267 | (62,325)
EFFECT OF FOREIGN CURRENCY EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS: | (1,381) | (2,539)
NET DECREASE IN CASH AND CASH EQUIVALENTS | (74,695) | (71,280)
DISCONTINUED OPERATIONS CASH ACTIVITY INCLUDED ABOVE: |  |
Add: Cash balance of discontinued operations, beginning of the period | 63 |
Less: Cash balance of discontinued operations, end of the period | 6 | 35
CASH AND CASH EQUIVALENTS, beginning of the period | 240,559 | 280,592
CASH AND CASH EQUIVALENTS, end of the period | $ 165,921 | $ 209,277

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- Definition The cash outflow from the repayments of a long-term debt originally issued by another party but is assumed by the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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