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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jan. 31, 2021 | Jan. 31, 2020 | Jan. 31, 2019
Operating activities |  |  |
Net income (loss) | $ 1,208.2 | $ 214.5 | $ (80.8)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |
Depreciation, amortization, and accretion | 123.8 | 127.3 | 95.2
Stock-based compensation expense | 398.4 | 362.4 | 249.5
Deferred income taxes | (778.6) | 10.3 | (6.8)
Restructuring and other exit costs, net | 0.0 | 0.5 | 31.7
Other operating activities | 38.8 | (11.9) | 2.2
Changes in operating assets and liabilities, net of business combinations: |  |  |
Accounts receivable | 12.6 | (178.5) | (25.4)
Prepaid expenses and other assets | (56.4) | 58.5 | 7.5
Accounts payable and other liabilities | 129.6 | (90.8) | (58.5)
Deferred revenue | 344.4 | 916.7 | 197.0
Accrued income taxes | 16.4 | 6.1 | (34.5)
Net cash provided by operating activities | 1,437.2 | 1,415.1 | 377.1
Investing activities |  |  |
Purchases of marketable securities | (21.0) | (19.9) | (138.2)
Sales of marketable securities | 0.0 | 22.4 | 319.6
Maturities of marketable securities | 17.0 | 5.0 | 211.4
Purchases of developed technologies | (4.8) | 0.0 | 0.0
Business combinations, net of cash acquired | (246.2) | 0.0 | (1,040.2)
Capital expenditures | (91.1) | (53.2) | (67.0)
Other investing activities | (57.8) | (11.6) | 4.0
Net cash used in investing activities | (403.9) | (57.3) | (710.4)
Financing activities |  |  |
Proceeds from issuance of common stock, net of issuance costs | 114.1 | 93.7 | 90.9
Taxes paid related to net share settlement of equity awards | (156.7) | (112.5) | (143.4)
Repurchase and retirement of common stock | (551.7) | (442.5) | (293.5)
Proceeds from debt, net of discount | 0.0 | 498.9 | 500.0
Repayments of debt | (450.0) | (500.0) | 0.0
Other financing activities | (2.5) | (4.4) | (2.1)
Net cash (used in) provided by financing activities | (1,046.8) | (466.8) | 151.9
Effect of exchange rate changes on cash and cash equivalents | 11.0 | (2.3) | (10.6)
Net (decrease) increase in cash and cash equivalents | (2.5) | 888.7 | (192.0)
Cash and cash equivalents at beginning of fiscal year | 1,774.7 | 886.0 | 1,078.0
Cash and cash equivalents at end of fiscal year | 1,772.2 | 1,774.7 | 886.0
Supplemental cash flow information: |  |  |
Cash paid during the year for interest | 62.7 | 67.8 | 59.0
Cash paid for income taxes, net of tax refunds | 92.8 | 60.3 | 78.0
Non-cash investing and financing activities: |  |  |
Fair value of common stock issued to settle liability-classified restricted stock units | 28.7 | 23.5 | 0.0
Fair value of equity awards assumed | 0.0 | 0.0 | 10.3
Fair value of common stock issued related to business combination | $ 37.9 | $ 0.0 | $ 44.8

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- Definition Amount of cash (inflow) outflow from investing activities classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585 + Details
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- Definition The cash outflow to reacquire common stock during the period. + 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 (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + 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 (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
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- Definition The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill. + 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=121586364&loc=d3e3213-108585 + Details
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- Definition Amount of cash outflow for purchase of marketable security. + 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=121553693&loc=d3e26853-111562 + Details
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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=121586364&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=121586364&loc=d3e3255-108585 + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + 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=121586364&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + 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=121553693&loc=d3e26853-111562 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3151-108585 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585 + Details
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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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