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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