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Fair Value Measurements (Tables)
3 Months Ended
Apr. 01, 2022
Fair Value Disclosures [Abstract]  
Schedule of Fair Value of Financial Assets Measured on a Recurring Basis
The classifications within the fair value hierarchy of our financial assets that were measured and recorded at fair value on a recurring basis were as follows (in thousands):
March 31, 2022
Level 1
Level 2
Total
Commercial paper$— $954,262 $954,262 
Corporate bonds— 522,101 522,101 
U.S. Treasury and government-sponsored enterprises— 196,464 196,464 
Municipal bonds— 13,286 13,286 
Total debt securities available-for-sale— 1,686,113 1,686,113 
Money market funds87,255 — 87,255 
Certificates of deposit— 117,901 117,901 
Total financial assets carried at fair value$87,255 $1,804,014 $1,891,269 
December 31, 2021
Level 1
Level 2
Total
Commercial paper$— $945,841 $945,841 
Corporate bonds— 540,978 540,978 
U.S. Treasury and government-sponsored enterprises— 33,945 33,945 
Municipal bonds— 12,904 12,904 
Total debt securities available-for-sale— 1,533,668 1,533,668 
Money market funds66,531 — 66,531 
Certificates of deposit— 119,056 119,056 
Total financial assets carried at fair value$66,531 $1,652,724 $1,719,255