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Summary of Significant Accounting Policies - Additional Information (Detail) shares in Thousands | 12 Months Ended |
--- | --- | ---
Jan. 02, 2021 USD ($) segment shares | Dec. 28, 2019 USD ($) shares | Dec. 29, 2018 USD ($) shares | Dec. 30, 2018 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Short-term investments | $ 0 | $ 120,000,000 |  |
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 | 700,000 | $ 26,400,000 |
Advertising costs | $ 30,800,000 | $ 14,000,000.0 | $ 17,900,000 |
Options to purchase of shares of common stock | shares | 400 | 400 | 1,100 |
Number of reportable segments | segment | 1 |  |  |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability |  |  |  | $ 22,500,000
Cumulative Effect on Retained Earnings, Net of Tax, Lease Receivable |  |  |  | 62,000,000.0
Cumulative Effect on Retained Earnings, Net of Tax, Leased Equipment |  |  |  | 103,500,000
Cumulative Effect on Retained Earnings, Net of Tax, Deferred Tax Assets |  |  |  | 8,600,000
Cumulative Effect on Retained Earnings, Net of Tax, Deferred Tax Deferred Revenue and Contract-Related Liabilities |  |  |  | 9,100,000
Cumulative Effect on Retained Earnings, Net of Tax, Other Current Liabilities |  |  |  | $ 3,000,000.0
Retained earnings | $ 1,341,235,000 | $ 1,100,494,000 |  |
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 | 3 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 |  |  |
Restricted Stock Units (RSUs) |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Weighted average shares contingently issuable | shares | 98 | 100 | 7 |
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 |
Aircraft and components | Minimum |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment, useful life | 4 years |  |  |
Aircraft and components | Maximum |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment, useful life | 20 years |  |  |
Building |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment, useful life | 39 years |  |  |
Buildings improvements | Minimum |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment, useful life | 7 years |  |  |
Buildings improvements | Maximum |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment, useful life | 15 years |  |  |
Computer equipment and software | Minimum |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment, useful life | 2 years |  |  |
Computer equipment and software | Maximum |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment, useful life | 12 years |  |  |
Demonstration units |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment, useful life | 3 years |  |  |
Furniture and office equipment | Minimum |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment, useful life | 2 years |  |  |
Furniture and office equipment | Maximum |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment, useful life | 6 years |  |  |
Machinery and equipment | Minimum |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment, useful life | 5 years |  |  |
Machinery and equipment | Maximum |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment, useful life | 10 years |  |  |
Tooling |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment, useful life | 3 years |  |  |
Vehicles |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Property and equipment, useful life | 5 years |  |  |
Retained Earnings | Accounting Standards Update 2016-02 |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Retained earnings |  |  | $ 26,800,000 |
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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