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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Cash flows from operating activities: |  |  |
Net income | $ 63,757 | $ 496,714 | $ 150,668
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 233,400 | 258,303 | 228,737
Amortization of financing costs and discounts | 2,692 | 26,090 | 28,476
Non-cash operating lease costs | 13,412 | 1,485 | 17,686
Share-based compensation | 26,601 | 25,248 | 24,006
Provision (benefit) for credit losses on accounts receivable | (255) | 8,738 | 13,283
Deferred income taxes, net | (12,991) | (13,433) | 5,840
(Gain) loss on extinguishment of debt | (11,505) | 14,024 | 37,969
Loss (gain) on sale of businesses | 0 | 21,798 | (17,122)
Goodwill impairment on business | 27,369 | 32,629 | 0
Changes in fair value of contingent consideration | (2,575) | (1,223) | (80)
Loss (income) from equity method investments, net | 7,730 | (35,845) | 11,338
Unrealized loss (gain) on short-term investments held at the reporting date | 7,145 | (298,490) | 0
Loss on investments, net | 46,743 | 16,677 | 20,991
Other | 945 | 13,180 | (22,690)
Decrease (increase) in: |  |  |
Accounts receivable | 14,948 | (18,050) | (31,611)
Prepaid expenses and other current assets | 9,665 | (15,650) | 3,046
Operating lease right-of-use assets | 3,739 | 15,267 | 8,711
Other assets | (19,979) | (3,824) | (3)
Increase (decrease) in: |  |  |
Accounts payable and accrued expenses (includes $0, $17,635 and $0 with related parties) | (37,569) | 22,262 | 2,184
Income taxes payable | 17,323 | (21,783) | 6,489
Deferred revenue | (20,962) | 14,282 | 4,720
Operating lease liabilities | (27,131) | (30,581) | (25,150)
Liability for uncertain tax positions | (2,167) | (10,383) | 9,391
Other long-term liabilities | (3,891) | (899) | 3,200
Net cash provided by operating activities | 336,444 | 516,536 | 480,079
Cash flows from investing activities: |  |  |
Proceeds on sale of available-for-sale investments | 0 | 663 | 0
Investment in available-for-sale securities | (15,000) | 0 | 0
Distribution from equity method investment | 0 | 15,327 | 0
Purchases of equity method investment | 0 | (23,249) | (31,937)
Purchase of equity investments | 0 | (999) | (1,246)
Proceeds from sale of equity investments | 4,527 | 14,330 | 0
Purchases of property and equipment | (106,154) | (113,740) | (92,552)
Proceeds from sale of assets | 0 | 0 | 507
Acquisition of businesses, net of cash received | (104,094) | (141,146) | (482,227)
Proceeds from sale of businesses, net of cash divested | 0 | 48,876 | 24,353
Purchases of intangible assets | (50) | (78) | (3,118)
Proceeds from divestiture of discontinued operations | 0 | 259,104 | 0
Net cash (used in) provided by investing activities | (220,771) | 59,088 | (586,220)
Cash flows from financing activities: |  |  |
Proceeds from issuance of long-term debt | 0 | 0 | 750,000
Payment of note payable | 0 | 0 | (400)
Proceeds from bridge loan | 0 | 485,000 | 0
Debt issuance cost | 0 | 0 | (7,272)
Payment of debt | (166,904) | (512,388) | (650,000)
Debt extinguishment costs (includes reimbursement of $0, $7,500 and $0 with related parties) | (756) | (1,096) | (29,250)
Proceeds from term loan | 112,286 | 0 | 0
Repurchase of common stock | (78,291) | (78,327) | (275,654)
Issuance of common stock under employee stock purchase plan | 9,431 | 9,231 | 7,382
Proceeds from exercise of stock options | 148 | 2,939 | 1,619
Deferred payments for acquisitions | (16,116) | (14,387) | (29,180)
Other | (630) | (4,060) | (1,878)
Net cash used in financing activities | (140,832) | (113,088) | (234,633)
Effect of exchange rate changes on cash and cash equivalents | (16,890) | (10,346) | 7,811
Net change in cash and cash equivalents | (42,049) | 452,190 | (332,963)
Cash and cash equivalents at beginning of year | 694,842 | 242,652 | 575,615
Cash and cash equivalents at beginning of year associated with discontinued operations | 0 | 66,210 | 51,141
Cash and cash equivalents at beginning of year associated with continuing operations | 694,842 | 176,442 | 524,474
Cash and cash equivalents at end of year | 652,793 | 694,842 | 242,652
Cash and cash equivalents at end of year associated with discontinued operations | 0 | 0 | 66,210
Cash and cash equivalents at end of year associated with continuing operations | $ 652,793 | $ 694,842 | $ 176,442

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- Definition The cash inflow from disposal of asset without physical form usually arising from contractual or other legal rights, excluding goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3179-108585 + Details
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- Definition Amount of cash inflow from the sale of investments classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3179-108585 + Details
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- Definition Aggregate cash proceeds received from a combination of transactions in which noncurrent assets are sold, which may include the sale of a business, an investment in an affiliate (including an equity method investee), property, plant and equipment and intangible assets. Excludes sales of trading, available-for-sale, and held-to-maturity securities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3179-108585 + Details
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- Definition Amount of cash inflow from exercise of option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=128089324&loc=SL79508275-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585 + Details
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- Definition The cash inflow associated with the amount received from the stock plan during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585 + Details
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- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(5)) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585 + Details
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- Definition The cash outflow for a borrowing supported by a written promise to pay an obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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