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Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 9 Months Ended
Oct. 01, 2021
Oct. 02, 2020
Statement of Cash Flows [Abstract]    
Net income $ 135,897 $ 83,393
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation 11,699 6,731
Stock-based compensation 96,654 85,791
Non-cash lease expense 3,952 3,607
Deferred taxes 32,365 15,803
Other, net 35,871 1,609
Changes in operating assets and liabilities:    
Trade receivables, net (20,124) (47,074)
Inventory (26,956) (13,466)
Prepaid expenses and other assets (24,252) (15,868)
Deferred revenue 11,434 4,012
Accounts payable and other liabilities 47,812 51,151
Net cash provided by operating activities 304,352 175,689
Cash flows from investing activities:    
Purchases of property, equipment and other (48,265) (16,055)
Purchases of investments (1,077,377) (866,975)
Proceeds from maturities and sales of investments 1,095,813 781,324
Net cash used in investing activities (29,829) (101,706)
Cash flows from financing activities:    
Proceeds from issuance of common stock under equity incentive and stock purchase plans 18,242 19,682
Taxes paid related to net share settlement of equity awards (15,049) (26,120)
Net cash provided by (used in) financing activities 3,193 (6,438)
Net increase in cash, cash equivalents and restricted cash equivalents 277,716 67,545
Cash, cash equivalents and restricted cash equivalents at beginning of period 320,772 268,137
Cash, cash equivalents and restricted cash equivalents at end of period 598,488 335,682
Non-cash operating activities:    
Right-of-use assets obtained in exchange for lease obligations 4,893 1,824
Non-cash investing activities:    
Unpaid liabilities incurred for purchases of property and equipment 5,143 843
Unpaid liabilities incurred in asset acquisition $ 9,000 $ 0