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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net income (loss) including noncontrolling interests | $ 11,849 | $ (36,492) | $ 14,740
Adjustments to reconcile net income (loss) to net cash provided by operating activities- |  |  |
(Gain) loss on disposition of discontinued operations |  |  | (723)
Write-off of debt financing costs |  |  | 181
Amortization of identifiable intangible assets | 8,837 | 7,462 | 6,217
Depreciation expense | 11,793 | 12,591 | 11,225
Goodwill and other intangible asset impairments |  | 58,922 | 5,734
Bad debt expense | 2,453 | 936 | 364
Deferred tax expense (benefit) | 3,541 | (9,525) | (3,484)
Amortization of debt financing costs | 229 | 226 | 157
Gain on sale of assets | (607) | (239) | (525)
Changes in the fair value of contingent earn-out obligations | (662) | (5,528) | (1,574)
Stock-based compensation expense | 2,797 | 3,604 | 3,687
(Increase) decrease in- |  |  |
Receivables, net | 2,913 | 10,390 | 13,405
Inventories | 1,195 | (270) | 1,034
Prepaid expenses and other current assets | 370 | 977 | (1,469)
Costs and estimated earnings in excess of billings | 1,636 | 4,162 | 3,985
Other noncurrent assets | (3,334) | 917 | (813)
Increase (decrease) in- |  |  |
Accounts payable and accrued liabilities | (15,507) | (21,477) | 47
Billings in excess of costs and estimated earnings | 1,776 | 5,426 | (12,684)
Taxes paid related to pre-acquisition equity transactions of an acquired company |  |  | (7,056)
Other long-term liabilities | 1,231 | (2,402) | (299)
Net cash provided by operating activities | 30,510 | 29,680 | 32,149
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Purchases of property and equipment | (11,782) | (8,666) | (7,089)
Proceeds from sales of property and equipment | 1,106 | 717 | 1,381
Proceeds from businesses sold | 164 | 156 | 1,514
Sales of marketable securities |  | 2,000 | 3,925
Cash paid for acquisitions, earn-outs and intangible assets, net of cash acquired | (12,656) | (29,957) | (42,732)
Net cash used in investing activities | (23,168) | (35,750) | (43,001)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Payments on other long-term debt | (7,349) | (14,387) | (17,749)
Debt financing costs |  | (517) | (896)
Payments of dividends to shareholders | (7,498) | (7,520) | (7,530)
Share repurchase program | (2,860) | (7,256) | (5,074)
Shares received in lieu of tax withholding | (544) | (662) | (616)
Excess tax benefit of stock-based compensation | 100 | 210 | 740
Proceeds from exercise of options | 329 | 293 | 473
Capital contribution from noncontrolling interests |  | 800 |
Net cash used in financing activities | (17,822) | (29,039) | (30,652)
NET DECREASE IN CASH AND CASH EQUIVALENTS | (10,480) | (35,109) | (41,504)
CASH AND CASH EQUIVALENTS, beginning of year-continuing operations and discontinued operations | 51,237 | 86,346 | 127,850
CASH AND CASH EQUIVALENTS, end of year-continuing operations and discontinued operations | $ 40,757 | $ 51,237 | $ 86,346

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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. 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 Reference 3: 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=6943989&loc=d3e3291-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + 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 Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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=6943989&loc=d3e3602-108585 + Details
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