XML 58 R42.htm IDEA: XBRL DOCUMENT v3.22.4
Marketable Securities - Schedule of Marketable Securities Classified as Available-for-sale Securities (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 25, 2021
Marketable Securities [Line Items]    
Amortized Cost, Total $ 1,495,585 $ 1,623,253
Gross Unrealized Gains 191 11,979
Gross Unrealized Losses (114,128) (18,554)
Fair Value 1,381,648 1,616,678
Agency securities [Member] | Fair Value, Level 2 [Member]    
Marketable Securities [Line Items]    
Amortized Cost, Total 7,000 7,000
Gross Unrealized Losses (786) (110)
Fair Value 6,214 6,890
Mortgage-backed securities [Member] | Fair Value, Level 2 [Member]    
Marketable Securities [Line Items]    
Amortized Cost, Total 45,373 149,692
Gross Unrealized Gains   257
Gross Unrealized Losses (4,525) (880)
Fair Value 40,848 149,069
Corporate debt securities [Member] | Fair Value, Level 2 [Member]    
Marketable Securities [Line Items]    
Amortized Cost, Total 1,106,688 1,079,390
Gross Unrealized Gains 188 9,830
Gross Unrealized Losses (77,802) (11,827)
Fair Value 1,029,074 1,077,393
Municipal securities [Member] | Fair Value, Level 2 [Member]    
Marketable Securities [Line Items]    
Amortized Cost, Total 326,058 356,037
Gross Unrealized Gains 3 1,870
Gross Unrealized Losses (28,861) (4,864)
Fair Value 297,200 353,043
Other [Member] | Fair Value, Level 2 [Member]    
Marketable Securities [Line Items]    
Amortized Cost, Total 10,466 31,134
Gross Unrealized Gains   22
Gross Unrealized Losses (2,154) (873)
Fair Value $ 8,312 $ 30,283