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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 30, 2021 | Jan. 25, 2020 | Jan. 26, 2019
Cash flows from operating activities: |  |  |
Net Income | $ 34,337 | $ 57,215 | $ 62,907
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 175,897 | 187,556 | 179,603
Non-cash lease expense | 31,828 | 30,043 | 0
Non-cash lease expense | (28,185) | 9,261 | 8,523
Stock-based compensation | 12,771 | 10,034 | 20,187
Provision for bad debt (recovery), net | 406 | (6,540) | 17,071
Gain on sale of fixed assets | (10,026) | (14,879) | (19,390)
(Gain) loss on debt extinguishment | (12,046) | 76 | 0
Amortization of debt discount | 7,441 | 20,112 | 19,103
Amortization of debt issuance costs and other | 2,797 | 4,023 | 3,686
Goodwill impairment charge | 53,264 | 0 | 0
Change in operating assets and liabilities, net of acquisitions: |  |  |
Accounts receivable, net | (41,755) | (195,796) | (30,750)
Contract assets, net | 53,664 | (35,888) | (149,828)
Other current assets and inventories | 27,316 | (6,960) | (15,842)
Other assets | 9,178 | 41,068 | (25,110)
Income taxes receivable/payable | 7,505 | (84) | 10,357
Accounts payable | 43,747 | (2,141) | 20,064
Accrued liabilities, insurance claims, operating lease liabilities, and other liabilities | 13,638 | (39,101) | 23,866
Net cash provided by operating activities | 381,777 | 57,999 | 124,447
Cash flows from investing activities: |  |  |
Capital expenditures | (58,047) | (120,574) | (164,963)
Proceeds from sale of assets | 13,419 | 19,045 | 22,949
Cash paid for acquisitions, net of cash acquired | 0 | 0 | (20,917)
Other investing activities | 0 | 306 | 1,576
Net cash used in investing activities | (44,628) | (101,223) | (161,355)
Cash flows from financing activities: |  |  |
Proceeds from borrowings on senior credit agreement, including term loans | 1,056,000 | 475,000 | 423,188
Principal payments on senior credit agreement, including term loans | (973,500) | (480,625) | (331,250)
Debt financing costs | 0 | 0 | (7,275)
Repurchase of common stock | (100,000) | 0 | 0
Extinguishment of 0.75% senior notes | (401,736) | (25,000) | 0
Redemption discount on convertible debt, net of costs | 30,761 | 675 | 0
Settlement of convertible note hedges related to extinguished convertible debt | 7,197 | 388 | 0
Purchase of warrants | (7,176) | (301) | 0
Exercise of stock options | 5,738 | 503 | 871
Restricted stock tax withholdings | (728) | (1,698) | (4,657)
Net cash (used in) provided by financing activities | (383,444) | (31,058) | 80,877
Net (decrease) increase in cash, cash equivalents and restricted cash | (46,295) | (74,282) | 43,969
Cash, cash equivalents and restricted cash at beginning of period | 59,869 | 134,151 | 90,182
Cash, cash equivalents and restricted cash at end of period | 13,574 | 59,869 | 134,151
Supplemental disclosure of other cash flow activities and non-cash investing and financing activities: |  |  |
Cash paid for interest | 20,653 | 26,655 | 22,312
Cash paid for taxes, net | 45,332 | 12,017 | 6,396
Purchases of capital assets included in accounts payable or other accrued liabilities at period end | $ 6,556 | $ 8,814 | $ 6,795

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