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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 28, 2019 | Dec. 29, 2018 | Dec. 30, 2017
Statement of Cash Flows [Abstract] |  |  |
Cash and cash equivalents at beginning of year | $ 533,298 | $ 688,087 | $ 465,232
Cash flows from operating activities: |  |  |
Net income | 988,979 | 345,777 | 204,101
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 122,789 | 118,721 | 115,524
Amortization of debt discount and fees | 1,001 | 1,196 | 1,211
Stock-based compensation | 181,547 | 167,715 | 130,023
(Gain) loss on investments, net | 4,090 | (2,732) | (9,454)
Deferred income taxes | (576,738) | (11,676) | 79,934
Provisions for losses on receivables | 632 | 5,102 | 2,623
ROU asset amortization and change in operating lease liabilities | 562 | 0 | 0
Other non-cash items | 428 | 2,607 | 653
Changes in operating assets and liabilities, net of effect of acquired businesses: |  |  |
Receivables | (4,718) | (87,083) | (31,032)
Inventories | (33,024) | 752 | 5,034
Prepaid expenses and other | (11,031) | (19,622) | (25,793)
Other assets | (8,011) | (14,606) | (26,751)
Accounts payable and accrued liabilities | 33,915 | 1,553 | (25,987)
Deferred revenue | 27,498 | 100,696 | 33,614
Other long-term liabilities | 1,681 | (3,649) | 17,040
Net cash provided by operating activities | 729,600 | 604,751 | 470,740
Cash flows from investing activities: |  |  |
Proceeds from the sale of marketable investments | 0 | 0 | 833
Purchases of non-marketable investments | (33,717) | (115,839) | 0
Proceeds from the sale of non-marketable investments | 2,952 | 3,497 | 9,108
Purchases of property, plant and equipment | (74,605) | (61,503) | (57,901)
Cash paid in business combinations and asset acquisitions, net of cash acquired | (338) | 0 | (143,249)
Net cash used for investing activities | (105,708) | (173,845) | (191,209)
Cash flows from financing activities: |  |  |
Proceeds from revolving credit facility | 150,000 | 100,000 | 135,000
Payment on revolving credit facility | (250,000) | (85,000) | (100,000)
Principal payments on term loan | 0 | (300,000) | 0
Payment of debt issuance costs | 0 | 0 | (793)
Proceeds from issuance of common stock | 52,842 | 40,908 | 48,965
Stock received for payment of employee taxes on vesting of restricted stock | (90,580) | (69,921) | (57,161)
Payments for repurchases of common stock | (306,148) | (250,059) | (100,025)
Change in book overdraft | 0 | (3,867) | 3,867
Net cash used for financing activities | (443,886) | (567,939) | (70,147)
Effect of exchange rate changes on cash and cash equivalents | (8,094) | (17,756) | 13,471
Increase (decrease) in cash and cash equivalents | 171,912 | (154,789) | 222,855
Cash and cash equivalents at end of year | 705,210 | 533,298 | 688,087
Supplemental cash flow information: |  |  |
Cash paid for interest | 17,842 | 23,018 | 24,160
Cash paid for income taxes, net | $ 41,946 | $ 68,040 | $ 59,072

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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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- Definition The cash inflow from the additional capital contribution to the entity. + 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 (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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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 The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=118954083&loc=d3e26853-111562 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -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 Amount of cash outflow for payment of an obligation from a 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 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 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 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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