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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 28, 2020 | Dec. 30, 2019 | Dec. 31, 2018
Cash flows from operating activities: |  |  |
Net income | $ 177,535 | $ 41,301 | $ 173,584
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation of property, plant and equipment | 120,947 | 166,574 | 162,708
Amortization of definite-lived intangible assets | 45,182 | 53,296 | 63,026
Amortization of debt discount and issuance costs | 17,451 | 14,265 | 14,687
Deferred income taxes | 6,653 | (12,454) | (98,291)
Stock-based compensation | 16,073 | 16,816 | 20,681
Impairment of goodwill | 69,200 |  |
Gain on sale of the Mobility business unit | (237,253) |  |
Other | 1,968 | (2,142) | (3,789)
Changes in operating assets and liabilities, net of acquisition: |  |  |
Accounts receivable, net | 122,547 | 19,501 | 1,366
Contract assets | (25,093) | (494) | (3,502)
Inventories | 1,380 | (12,642) | 18,254
Prepaid expenses and other current assets | (3,452) | 1,802 | 5,199
Accounts payable | 1,210 | 42,045 | (45,739)
Contract liabilities | 416 | 618 | (4,558)
Accrued salaries, wages and benefits | 7,940 | 3,770 | (14,862)
Other current liabilities | (35,528) | (20,319) | (15,626)
Net cash provided by operating activities | 287,176 | 311,937 | 273,138
Cash flows from investing activities: |  |  |
Acquisition of Anaren, net of cash acquired |  |  | (596,396)
Proceeds from sale of the Mobility business unit, net of cash disposed | 507,466 |  |
Purchase of property, plant and equipment and other assets | (103,289) | (142,576) | (150,127)
Proceeds from sale of property, plant and equipment and other assets | 738 | 6,604 | 331
Other | (623) |  |
Net cash provided by (used in) investing activities | 404,292 | (135,972) | (746,192)
Cash flows from financing activities: |  |  |
Proceeds from long-term debt borrowings |  |  | 600,000
Repayment of debt borrowings | (649,975) | (30,000) | (114,378)
Repayment of assumed long-term debt in acquisition |  |  | (178,604)
Proceeds from borrowings of revolving loan |  |  | 23,000
Payment of debt issuance costs |  | (1,803) | (7,653)
Payment of original issue discount |  |  | (1,500)
Proceeds from exercise of stock options | 191 |  | 191
Redemption of convertible notes |  | (10) |
Other | 7,478 |  |
Net cash (used in) provided by financing activities | (642,306) | (31,813) | 321,056
Effect of foreign currency exchange rates on cash and cash equivalents | 2,249 | (358) | (968)
Net increase (decrease) in cash and cash equivalents | 51,411 | 143,794 | (152,966)
Cash and cash equivalents at beginning of year | 400,154 | 256,360 | 409,326
Cash and cash equivalents at end of year | 451,565 | 400,154 | 256,360
Cash and cash equivalents in assets held for sale |  | (20,336) | (28,368)
Cash and cash equivalents as presented on the consolidated balance sheet | 451,565 | 379,818 | 227,992
Supplemental cash flow information: |  |  |
Cash paid, net for interest | 59,209 | 71,267 | 62,967
Cash paid, net for income taxes | 18,081 | 20,120 | 27,574
Net cash provided by operating activities from discontinued operations | 39,462 | 16,123 | 78,809
Net cash provided by (used in) investing activities from discontinued operations | 497,916 | (24,155) | (69,906)
Supplemental disclosure of noncash investing activities: |  |  |
Property, plant and equipment recorded in accounts payable | $ 29,002 | 58,606 | 49,169
Supplemental disclosure of noncash investing activities from discontinued operations: |  |  |
Property, plant and equipment recorded in accounts payable |  | $ 8,918 | $ 9,363

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- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3521-108585 + Details
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- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3521-108585 + Details
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