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Summary of Significant Accounting Policies - Additional Information (Detail) shares in Thousands, $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Jan. 01, 2022 USD ($) segment shares | Jan. 02, 2021 USD ($) shares | Dec. 28, 2019 USD ($) shares | Dec. 30, 2018 USD ($) | Dec. 29, 2018 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of Sources of Product Revenue | segment | 4 |  |  |  |
Royalty Revenue, Number of Days Royalty Revenue is Adjusted Subsequent to Quarter End | 60 days |  |  |  |
Royalty | $ 0 | $ 0 | $ 700 |  |
Advertising costs | $ 9,000 | $ 30,800 | $ 14,000 |  |
Options to purchase of shares of common stock | shares | 200 | 400 | 400 |  |
Number of reportable segments | segment | 1 |  |  |  |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability |  |  |  | $ 22,500 |
Cumulative Effect on Retained Earnings, Net of Tax, Lease Receivable |  |  |  | 62,000 |
Cumulative Effect on Retained Earnings, Net of Tax, Leased Equipment |  |  |  | 103,500 |
Cumulative Effect on Retained Earnings, Net of Tax, Deferred Tax Assets |  |  |  | 8,600 |
Cumulative Effect on Retained Earnings, Net of Tax, Deferred Tax Deferred Revenue and Contract-Related Liabilities |  |  |  | 9,100 |
Cumulative Effect on Retained Earnings, Net of Tax, Other Current Liabilities |  |  |  | $ 3,000 |
Retained earnings | $ 1,570,862 | $ 1,341,215 |  |  |
Research and development | 137,234 | 118,659 | $ 93,295 |  |
Grant Contract Reimbursement | $ 600 | $ 300 | $ 600 |  |
Minimum |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period | 3 years |  |  |  |
Warranty period for defects in material and workmanship | 6 months |  |  |  |
Maximum |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period | 6 years |  |  |  |
Warranty period for defects in material and workmanship | 48 months |  |  |  |
Grant Contract Reimbursement | $ 4,400 |  |  |  |
Restricted Stock Units (RSUs) |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Weighted average shares contingently issuable | shares | 112 | 98 | 100 |  |
Restricted Stock Units (RSUs) | Chief Executive Officer |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Weighted average shares contingently issuable | shares | 2,700 | 2,700 | 2,700 |  |
Retained Earnings | Accounting Standards Update 2016-02 |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Retained earnings |  |  |  |  | $ 26,800
Patents |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Estimated life maximum | 10 years |  |  |  |
Trademarks |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Estimated life maximum | 17 years |  |  |  |

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