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v3.20.2

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2020 | Sep. 30, 2019
Operating activities |  |
Net income | $ 155,093 | $ 187,665
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 23,655 | 22,384
Amortization and impairment of other intangible assets | 7,440 | 5,838
Acquisition-related contingent consideration | 4,652 | 717
Provision for doubtful accounts | 15,608 | 13,552
Share-based compensation | 17,576 | 14,060
Amortization of debt discount and issuance costs | 9,028 | 8,666
Deferred income taxes | (1,658) | 4,084
Other | 45 | 248
Changes in operating assets and liabilities, net of effects from acquisitions: |  |
Accounts receivable, billed and unbilled | (86,491) | (191,644)
Notes receivable | 3,346 | 2,521
Prepaid expenses and other assets | 8,294 | (5,817)
Accounts payable, accrued expenses and other | 7,713 | (7,332)
Income taxes | (14,635) | 26,693
Accrued compensation | (18,985) | 5,156
Billings in excess of services provided | 10,296 | (9,925)
Net cash provided by operating activities | 140,977 | 76,866
Investing activities |  |
Payments for acquisition of businesses, net of cash received | (25,271) | (18,791)
Purchases of property and equipment | (25,663) | (27,026)
Other | 558 | 55
Net cash used in investing activities | (50,376) | (45,762)
Financing activities |  |
Borrowings under revolving line of credit | 149,500 | 45,000
Repayments under revolving line of credit | (124,500) | (45,000)
Purchase and retirement of common stock | (175,832) | (77,949)
Net issuance of common stock under equity compensation plans | (5,195) | 3,176
Payments for business acquisition liabilities | (3,948) | (2,282)
Deposits and other | 4,561 | 535
Net cash used in financing activities | (155,414) | (76,520)
Effect of exchange rate changes on cash and cash equivalents | 98 | (8,183)
Net decrease in cash and cash equivalents | (64,715) | (53,599)
Cash and cash equivalents, beginning of period | 369,373 | 312,069
Cash and cash equivalents, end of period | 304,658 | 258,470
Supplemental cash flow disclosures |  |
Cash paid for interest | 7,115 | 7,264
Cash paid for income taxes, net of refunds | 61,636 | 29,885
Non-cash investing and financing activities: |  |
Issuance of stock units under incentive compensation plans | 2,314 | 1,413
Purchase and retirement of common stock not yet paid | 8,540 | 0
Business acquisition liabilities not yet paid | $ 3,460 | $ 14,004

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