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CONSOLIDATED STATEMENTS OF CASH FLOWS $ in Thousands | 12 Months Ended
--- | ---
Dec. 28, 2019 USD ($) | Dec. 29, 2018 USD ($) | Dec. 30, 2017 USD ($)
Cash flows from operating activities: |  |  |
Net income (loss) | $ 43,493 | $ (26,322) | $ (70,562)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |
Depreciation and amortization | 33,056 | 39,261 | 57,861
Impairment of acquired intangible assets | 0 | 12,486 | 32,431
Stock-based compensation expense | 18,899 | 13,646 | 12,543
Reduction in the carrying amount of right-of-use assets | 5,797 | 0 | 0
Loss on re-financing of long-term debt | 2,235 | 0 | 0
Amortization of debt issuance costs and discount | 1,659 | 2,230 | 1,982
Impairment of operating lease right-of-use asset (recorded in Restructuring charges) | 977 |  |
Impairment of operating lease right-of-use asset (recorded in Restructuring charges) | 4,664 | 17,349 | 7,196
Gain on sale of building | 0 | 0 | (4,624)
Loss on sale of assets and business units | 0 | 0 | 1,496
Other non-cash adjustments | (374) | (79) | 1,707
Changes in assets and liabilities: |  |  |
Accounts receivable, net | (4,027) | (3,978) | 44,613
Inventories | 12,116 | 13,177 | (902)
Prepaid expenses and other assets | 3,740 | (11,667) | 889
Accounts payable and accrued expenses (includes restructuring) | 9,261 | 13,325 | (23,588)
Accrued payroll obligations | 4,039 | (1,051) | 726
Operating lease liabilities, current and long-term portions | (6,896) |  |
Income taxes payable | 162 | 498 | (556)
Deferred income and allowances on sales to distributors |  | 0 |
Net cash provided by operating activities | 124,137 | 51,458 | 38,514
Cash flows from investing activities: |  |  |
Proceeds from sales of and maturities of short-term marketable securities | 9,655 | 5,000 | 12,689
Purchases of marketable securities | 0 | (9,603) | (7,420)
Proceeds from sale of building | 0 | 0 | 7,895
Cash paid for costs of sale of building | 0 | 0 | (1,004)
Capital expenditures | (15,590) | (8,384) | (12,855)
Proceeds from sale of assets and business units, net of cash sold | 0 | 0 | 967
Repayment received on short-term loan to cost-method investee | 0 | 0 | 2,000
Short-term loan to cost-method investee | 0 | 0 | (2,000)
Cash paid for software licenses | (9,601) | (8,123) | (8,532)
Net cash used in investing activities | (15,536) | (21,110) | (8,260)
Cash flows from financing activities: |  |  |
Restricted stock unit tax withholdings | (10,084) | (2,370) | (3,267)
Proceeds from issuance of common stock | 17,166 | 29,288 | 6,085
Proceeds from issuance of long-term debt | 206,500 | 0 | 0
Original issue discount and debt issuance costs | (2,086) | 0 | 0
Repayment of debt | (321,408) | (43,759) | (35,429)
Net cash used in financing activities | (109,912) | (16,841) | (32,611)
Effect of exchange rate change on cash | 341 | (1,271) | 2,620
Net (decrease) increase in cash and cash equivalents | (970) | 12,236 | 263
Beginning cash and cash equivalents | 119,051 | 106,815 | 106,552
Ending cash and cash equivalents | 118,081 | 119,051 | 106,815
Supplemental disclosure of cash flow information and non-cash investing and financing activities: |  |  |
Interest paid | 10,995 | 18,607 | 20,649
Operating lease payments | 8,425 |  |
Income taxes paid, net of refunds | 3,393 | 3,054 | 2,387
Accrued purchases of property and equipment | 826 | 110 | 588
Operating lease right-of-use assets obtained in exchange for lease obligations | 747 |  |
Note receivable resulting from sale of assets and business units | 0 | 0 | 3,050
Product |  |  |
Changes in assets and liabilities: |  |  |
Deferred income and allowances on sales to distributors | 0 | 0 | (15,007)
Licensing and services |  |  |
Changes in assets and liabilities: |  |  |
Deferred income and allowances on sales to distributors | $ 0 | $ (68) | $ (495)

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