v3.24.3
Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Operating activities    
Net income $ 424.5 $ 285.2
Adjustments to reconcile net income to cash provided by operating activities:    
Depreciation and amortization 159.9 133.5
Share-based compensation 127.1 113.9
Non-cash interest expense 5.6 5.8
Deferred income taxes (68.1) (136.5)
Other non-cash income and expenses (63.3) (48.3)
Changes in operating assets and liabilities:    
Accounts receivable, net (27.6) (72.9)
Inventory (20.3) (193.6)
Prepaid and other assets (13.8) 13.2
Operating lease right-of-use assets and liabilities, net (3.0) (4.4)
Accounts payable and accrued liabilities 231.7 496.5
Accrued payroll and related expenses (64.3) 16.6
Deferred revenue and other liabilities (0.3) 5.9
Net cash provided by operating activities 688.1 614.9
Investing activities    
Purchases of marketable securities (2,083.5) (2,947.9)
Proceeds from sale and maturity of marketable securities 2,419.2 2,228.4
Purchases of property and equipment (234.2) (184.1)
Other investing activities (5.3) (18.5)
Net cash provided by (used in) investing activities 96.2 (922.1)
Financing activities    
Net proceeds from issuance of common stock 28.2 26.6
Purchases of treasury stock (750.0) (188.7)
Proceeds from issuance of senior convertible notes, net of issuance costs 0.0 1,230.6
Purchases of capped call transactions 0.0 (101.3)
Payments for conversions of senior convertible notes 0.0 (650.5)
Other financing activities (11.4) (3.4)
Net cash provided by (used in) financing activities (733.2) 313.3
Effect of exchange rate changes on cash, cash equivalents and restricted cash 3.8 (4.6)
Increase in cash, cash equivalents and restricted cash 54.9 1.5
Cash, cash equivalents and restricted cash, beginning of period 567.5 643.3
Cash, cash equivalents and restricted cash, end of period 622.4 644.8
Reconciliation of cash, cash equivalents and restricted cash, end of period:    
Cash and cash equivalents 621.2 643.7
Restricted cash 1.2 1.1
Total cash, cash equivalents and restricted cash 622.4 644.8
Supplemental disclosure of non-cash investing and financing transactions:    
Shares issued for conversions of 2023 Notes 0.0 1,316.4
Shares received under note hedge upon conversion of 2023 Notes 0.0 (1,296.1)
Acquisition of property and equipment included in accounts payable and accrued liabilities 77.6 47.0
Right-of-use assets obtained in exchange for operating lease liabilities 8.2 6.0
Right-of-use assets obtained in exchange for finance lease liabilities $ 11.8 $ 1.8