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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Cash flow from operating activities |  |  |  |
Net income |  | $ 452.3 | $ 453.6 | $ 553.2
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |
Depreciation and amortization |  | 137.3 | 170.0 | 157.1
Stock-based compensation |  | 346.5 | 338.0 | 330.7
Net loss (gain) on real estate assets | [1] | 0.1 | (155.2) | 175.2
Amortization of debt issuance costs |  | 4.6 | 4.2 | 4.2
Net loss (gain) on equity investments |  | 0.2 | 0.0 | (5.0)
Amortization of deferred commissions |  | 30.3 | 38.6 | 39.5
Non-cash operating lease expense |  | 35.9 | 43.5 | 63.8
Deferred taxes |  | (5.4) | 38.4 | (396.3)
Other |  | 3.8 | (0.6) | (0.8)
Changes in operating assets and liabilities: |  |  |  |
Trade and other receivables, net |  | (2.4) | (14.5) | (5.5)
Prepaid expenses and other current assets |  | (5.4) | (41.1) | (50.0)
Other assets |  | 6.4 | 23.3 | (9.7)
Accounts payable |  | (4.5) | 1.2 | 13.0
Accrued and other current liabilities |  | (24.7) | (20.8) | 4.7
Accrued compensation and benefits |  | (4.1) | (22.6) | (6.8)
Deferred revenue |  | 1.5 | 21.6 | 25.6
Other non-current liabilities |  | (6.4) | (1.5) | (17.9)
Operating lease liabilities |  | (57.0) | (65.4) | (86.4)
Tenant improvement allowance reimbursement |  | 0.0 | 1.1 | 8.7
Cash paid for lease termination |  | (14.9) | (28.1) | 0.0
Net cash provided by operating activities |  | 894.1 | 783.7 | 797.3
Cash flow from investing activities |  |  |  |
Capital expenditures |  | (22.5) | (24.3) | (33.8)
Purchase of intangible assets |  | (0.2) | (0.3) | (1.1)
Business combinations, net of cash acquired |  | (57.8) | 0.0 | (75.4)
Purchases of short-term investments |  | (62.3) | (208.7) | (571.2)
Proceeds from sales of short-term investments |  | 241.7 | 352.4 | 213.7
Proceeds from maturities of short-term investments |  | 313.7 | 252.2 | 389.1
Proceeds from sales of equity investments |  | 0.0 | 0.0 | 10.6
Other |  | 31.2 | 23.9 | 19.6
Net cash provided by (used in) investing activities |  | 443.8 | 395.2 | (48.5)
Cash flow from financing activities |  |  |  |
Proceeds from term loan facility |  | 1,000.0 | 0.0 | 0.0
Payments of debt issuance costs |  | (50.1) | (0.1) | 0.0
Payments for taxes related to net share settlement of restricted stock units and awards |  | (148.7) | (135.1) | (119.4)
Proceeds from issuance of common stock, net of taxes withheld |  | 0.9 | 2.5 | 0.5
Principal payments on finance lease obligations |  | (129.4) | (126.6) | (127.5)
Common stock repurchases |  | (1,241.6) | (539.9) | (795.4)
Payment of acquisition-related indemnification holdback |  | (17.7) | 0.0 | 0.0
Net cash used in financing activities |  | (586.6) | (799.2) | (1,041.8)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash |  | (5.7) | 2.4 | (7.2)
Change in cash, cash equivalents, and restricted cash |  | 745.6 | 382.1 | (300.2)
Cash, cash equivalents, and restricted cash - beginning of period |  | 614.9 | 232.8 | 533.0
Cash, cash equivalents, and restricted cash - end of period |  | 1,360.5 | 614.9 | 232.8
Reconciliation of cash, cash equivalents, and restricted cash to amounts on consolidated balance sheets - end of period |  |  |  |
Cash and cash equivalents |  | 1,328.3 | 614.9 | 232.8
Restricted cash, current included in prepaid expenses and other current assets |  | 1.1 | 0.0 | 0.0
Restricted cash, non-current included in other assets |  | 31.1 | 0.0 | 0.0
Total cash, cash equivalents, and restricted cash |  | 1,360.5 | 614.9 | 232.8
Supplemental cash flow data: |  |  |  |
Interest |  | 15.2 | 10.5 | 8.2
Income taxes |  | 61.0 | 68.2 | 27.6
Non-cash investing and financing activities: |  |  |  |
Property and equipment received and accrued in accounts payable and accrued liabilities |  | 0.0 | 2.0 | 2.6
Property and equipment acquired under finance leases |  | $ 171.6 | $ 144.7 | $ 105.8
[1] | Includes a one-time gain of $158.8 million related to the partial termination of the Company's lease for its San Francisco, California corporate headquarters for the year ended December 31, 2023 and impairment charges related to real estate assets for the years ended December 31, 2024, 2023, and 2022.

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- Definition Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-8 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 45 -Paragraph 5 -SubTopic 210 -Topic 954 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477220/954-210-45-5 + Details
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- Definition Amount of increase in right-of-use asset obtained in exchange for finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + 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 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- References No definition available. + Details
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