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Fair Value Measurements (Details) - USD ($)
$ in Thousands
Dec. 30, 2022
Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale $ 1,868,615 $ 1,533,668
Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale 1,868,615 1,533,668
Total financial assets carried at fair value 2,066,640 1,719,255
Level 1 | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale 0 0
Total financial assets carried at fair value 94,344 66,531
Level 2 | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale 1,868,615 1,533,668
Total financial assets carried at fair value 1,972,296 1,652,724
Commercial paper    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale 722,018 945,841
Commercial paper | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale 722,018 945,841
Commercial paper | Level 1 | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale 0 0
Commercial paper | Level 2 | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale 722,018 945,841
Corporate bonds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale 797,848 540,978
Corporate bonds | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale 797,848 540,978
Corporate bonds | Level 1 | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale 0 0
Corporate bonds | Level 2 | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale 797,848 540,978
U.S. Treasury and government-sponsored enterprises    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale 332,587 33,945
U.S. Treasury and government-sponsored enterprises | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale 332,587 33,945
U.S. Treasury and government-sponsored enterprises | Level 1 | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale 0 0
U.S. Treasury and government-sponsored enterprises | Level 2 | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale 332,587 33,945
Municipal bonds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale 16,162 12,904
Municipal bonds | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale 16,162 12,904
Municipal bonds | Level 1 | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale 0 0
Municipal bonds | Level 2 | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total debt securities available-for-sale 16,162 12,904
Money market funds | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 94,344 66,531
Money market funds | Level 1 | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 94,344 66,531
Money market funds | Level 2 | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 0 0
Certificates of deposit | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 103,681 119,056
Certificates of deposit | Level 1 | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 0 0
Certificates of deposit | Level 2 | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents $ 103,681 $ 119,056