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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 28, 2019 | Sep. 29, 2018
Statement of Cash Flows [Abstract] |  |
Cash and cash equivalents at beginning of period | $ 533,298 | $ 688,087
Cash flows from operating activities: |  |
Net income | 329,304 | 247,352
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 91,400 | 89,003
Amortization of debt discount and fees | 747 | 950
Stock-based compensation | 134,789 | 125,121
(Gain) loss on investments, net | 2,655 | (902)
Deferred income taxes | (10,938) | (3,221)
Provisions for losses (recoveries) on receivables | (358) | 4,790
ROU asset amortization and change in operating lease liabilities | 4,285 | 0
Other non-cash items | 197 | (126)
Changes in operating assets and liabilities, net of effect of acquired businesses: |  |
Receivables | 26,553 | (28,471)
Inventories | (43,781) | (1,455)
Prepaid expenses and other | 38,703 | 2,018
Other assets | 3,554 | 1,856
Accounts payable and accrued liabilities | (4,001) | (41,718)
Deferred revenue | (6,968) | 77,370
Other long-term liabilities | 4,163 | 300
Net cash provided by operating activities | 570,304 | 472,867
Cash flows from investing activities: |  |
Purchases of non-marketable investments | (33,717) | 0
Proceeds from the sale of non-marketable investments | 2,952 | 0
Purchases of property, plant and equipment | (47,527) | (41,761)
Cash paid in business combinations | (338) | 0
Net cash used for investing activities | (78,630) | (41,761)
Cash flows from financing activities: |  |
Proceeds from revolving credit facility | 150,000 | 0
Payment on revolving credit facility | (250,000) | (85,000)
Principal payments on term loan | 0 | (300,000)
Proceeds from issuance of common stock | 49,127 | 38,190
Stock received for payment of employee taxes on vesting of restricted stock | (75,016) | (59,619)
Payments for repurchases of common stock | (231,131) | (150,036)
Change in book overdraft | 0 | (3,867)
Net cash used for financing activities | (357,020) | (560,332)
Effect of exchange rate changes on cash and cash equivalents | (12,736) | (14,276)
Increase (decrease) in cash and cash equivalents | 121,918 | (143,502)
Cash and cash equivalents at end of period | 655,216 | 544,585
Supplemental cash flow information: |  |
Cash paid for interest | 10,052 | 15,360
Cash paid for taxes, net | $ 25,439 | $ 29,858

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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + 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 (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition The cash inflow associated with the sale and maturity (principal being due) of other investments, prepayment and call (request of early payment) of other investments not otherwise defined in the taxonomy. + 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 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + 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 http://asc.fasb.org/extlink&oid=119407570&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 http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
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- Definition The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt. + 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 http://asc.fasb.org/extlink&oid=118932676&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 http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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