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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2020 | Jun. 30, 2019
Statement of Cash Flows [Abstract] |  |
Net income | $ 90,305 | $ 62,239
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Gain on sale of assets and other | (147) | (262)
Depreciation and amortization | 19,739 | 19,515
Noncash lease expense | 4,025 | 3,243
Deferred income taxes | 1,973 | 1,911
Noncash compensation related to stock plans | 5,428 | 6,600
Provision (benefit) of doubtful accounts | (35) | 98
Changes in operating assets and liabilities: |  |
Trade accounts receivable | (95,875) | (45,078)
Inventories | (14,377) | 9,708
Trade accounts payable | 15,268 | 4,318
Other current assets | (4,529) | (1,269)
Accrued liabilities and other current liabilities | 22,923 | (3,852)
Other noncurrent assets and liabilities | (1,932) | (3,590)
Net cash provided by operating activities | 42,766 | 53,581
Cash flows from investing activities |  |
Capital expenditures | (14,083) | (15,259)
Asset acquisitions, net of cash acquired | 0 | (3,492)
Proceeds from sale of property and equipment | 639 | 2,493
Net cash used in investing activities | (13,444) | (16,258)
Cash flows from financing activities |  |
Repurchase of common stock | (62,679) | (30,000)
Proceeds from line of credit | 159,412 | 10,742
Repayments of line of credit and capital leases | (10,387) | (10,726)
Payments of Debt Issuance Costs | (712) | 0
Dividends paid | (20,158) | (19,726)
Cash paid on behalf of employees for shares withheld | (7,743) | (5,899)
Net cash provided by (used) in financing activities | 57,733 | (55,609)
Effect of exchange rate changes on cash and cash equivalents | (1,817) | (163)
Net increase (decrease) in cash and cash equivalents | 85,238 | (18,449)
Cash and cash equivalents at beginning of period | 230,210 | 160,180
Cash and cash equivalents at end of period | 315,448 | 141,731
Noncash activity during the period |  |
Noncash capital expenditures | 1,308 | 1,636
Dividends declared but not paid | 9,989 | 10,284
Issuance of Company’s common stock for compensation | $ 322 | $ 292

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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + 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 http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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