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Cash and Investments - Narrative (Details)
Mar. 31, 2023
USD ($)
bond
investment
Dec. 30, 2022
USD ($)
investment
bond
Debt Securities, Available-for-sale [Line Items]    
Interest receivable $ 10,100,000 $ 7,300,000
Number of investments in an unrealized loss position | investment 237 285
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer $ 317,100,000 $ 237,600,000
Accumulated loss 6,300,000 $ 6,100,000
Allowance for credit losses $ 0  
Corporate bonds    
Debt Securities, Available-for-sale [Line Items]    
Number of bond securities | bond 91 81