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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Cash flows from operating activities |  |  |
Net income (loss) | $ 203,785 | $ (618,702) | $ 937,664
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |
Depreciation and amortization expense | 101,178 | 143,516 | 193,356
Amortization of operating lease right-of-use assets | 44,078 | 80,203 | 122,673
Loss on impairment of assets | 73,756 | 790,229 | 940
Gain on sales and disposal of subsidiaries, property and equipment and leases, net | (609,529) | (22,756) | (753,519)
Loss (gain) on derivative instruments | 24,517 | 25,980 | (7,438)
Payments for settlement of derivative contracts | 0 | (626) | (8,772)
Loss on debt extinguishment | 77,999 | 610 | 28,752
Non-cash interest expense | 6,761 | 17,450 | 3,535
Interest paid on deferred purchase price for acquisitions | 0 | (3,969) | (5,305)
Non-cash share-based compensation expense | 10,172 | 13,298 | 12,994
Bad debt expense | 34,370 | 117,867 | 100,829
Deferred income taxes | 195,563 | (185,652) | (29,813)
Unrealized foreign currency exchange (gain) loss | (7,033) | 26,344 | 29,186
Non-cash loss from non-income tax contingencies | 12,150 | 3,059 | 9,075
Payments for lease settlements | (46,804) | 0 | 0
Other, net | 1,106 | 408 | (5,341)
Changes in operating assets and liabilities: |  |  |
Receivables | (15,986) | (323,036) | (163,202)
Prepaid expenses and other assets | (17,433) | (28,504) | (42,047)
Accounts payable and accrued expenses | (45,329) | (47,200) | 5,574
Income tax receivable/payable, net | (101,126) | 99,563 | (36,220)
Deferred revenue and other liabilities | (98,277) | 171,474 | (53,152)
Net cash (used in) provided by operating activities | (156,082) | 259,556 | 339,769
Cash flows from investing activities |  |  |
Purchase of property and equipment | (50,444) | (74,624) | (155,641)
Expenditures for deferred costs | (5,843) | (14,538) | (17,701)
Receipts from sales of discontinued operations, net of cash sold, property and equipment | 2,150,820 | 676,569 | 1,266,042
Settlement of derivatives related to sale of discontinued operations and net investment hedge | (50,341) | 0 | 12,866
Business acquisitions, net of cash acquired | 0 | 0 | (1,205)
Proceeds from sale of investment | 0 | 0 | 11,473
Other, net | 0 | (7) | 926
Net cash provided by investing activities | 2,044,192 | 587,400 | 1,116,760
Cash flows from financing activities |  |  |
Proceeds from issuance of long-term debt, net of original issue discount | 46,493 | 528,382 | 1,123,179
Payments on long-term debt | (942,030) | (705,353) | (2,507,790)
Payments of deferred purchase price for acquisitions | 0 | (5,680) | (20,157)
Payments to purchase noncontrolling interests | 0 | (13,716) | (5,761)
Special cash distributions | (1,374,855) | 0 | 0
Proceeds from exercise of stock options | 3,411 | 25,716 | 14,007
Payments to repurchase common stock | (380,505) | (99,523) | (264,093)
Withholding of shares to satisfy tax withholding for vested stock awards and exercised stock options | (2,769) | (1,154) | (2,245)
Payments of call premiums and debt issuance costs | (32,980) | (779) | (9,091)
Distributions to noncontrolling interest holders | 0 | (609) | (2,026)
Net cash used in financing activities | (2,683,235) | (272,716) | (1,673,977)
Effects of exchange rate changes on Cash and cash equivalents and Restricted cash | (14,724) | (546) | 5,070
Change in cash included in current assets held for sale | 288,126 | 195,787 | 184,578
Net change in Cash and cash equivalents and Restricted cash | (521,723) | 769,481 | (27,800)
Cash and cash equivalents and Restricted cash at beginning of period | 867,298 | 97,817 | 125,617
Cash and cash equivalents and Restricted cash at end of period | $ 345,575 | $ 867,298 | $ 97,817

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