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Fair Value of Financial Instruments (Tables)
6 Months Ended
Jun. 25, 2022
Fair Value Disclosures [Abstract]  
Fair Value of Financial Instruments [Table Text Block]
Following is a summary of fair value measurements for investments as of June 25, 2022 and December 25, 2021:
Fair ValueLevel 1Level 2Level 3
(Amounts are in thousands)
June 25, 2022$12,349,086 2,175,635 10,173,451 
December 25, 202113,651,477 2,159,365 11,492,112