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v3.20.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Cash flows from operating activities: |  |
Net income | $ 20,190 | $ 9,156
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 3,556 | 3,489
Bad debt provision | 2,060 | 18,470
Share-based compensation expense | 1,973 | 1,838
Amortization of premium on marketable securities | 450 | 382
Unrealized loss (gain) on deferred compensation fund investments | 5,761 | (3,445)
Changes in operating assets and liabilities: |  |
Accounts and notes receivable | (9,645) | (25,986)
Inventories and supplies | (421) | 300
Prepaid expenses and other assets | (4,574) | (323)
Deferred compensation funding | 1,478 | 744
Accounts payable and other accrued expenses | (379) | (5,322)
Accrued payroll, accrued and withheld payroll taxes | (4,626) | 18,465
Income taxes payable | 2,480 | (5,730)
Accrued insurance claims | 1,379 | 2,622
Deferred compensation liability | (6,994) | 2,917
Net cash provided by operating activities | 12,688 | 17,577
Cash flows from investing activities: |  |
Disposals of fixed assets | 129 | 64
Additions to property and equipment | (788) | (1,336)
Purchases of marketable securities | (2,670) | (4,277)
Sales of marketable securities | 1,757 | 3,539
Net cash used in investing activities | (1,572) | (2,010)
Cash flows from financing activities: |  |
Dividends paid | (15,033) | (14,588)
Reissuance of treasury stock pursuant to Dividend Reinvestment Plan | 23 | 24
Proceeds from the exercise of stock options | 1,724 | 1,913
Proceeds from short-term borrowings | 40,000 | 0
Payments of statutory withholding on net issuance of restricted stock units | (661) | (579)
Net cash provided by (used in) financing activities | 26,053 | (13,230)
Net change in cash and cash equivalents | 37,169 | 2,337
Cash and cash equivalents at beginning of the period | 27,329 | 26,025
Cash and cash equivalents at end of the period | $ 64,498 | $ 28,362

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