XML 33 R23.htm IDEA: XBRL DOCUMENT
v3.25.1

Marketable Securities (Tables) | 3 Months Ended
--- | ---
Mar. 29, 2025
Marketable Securities. |
Schedule Of Marketable Securities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​ | ​
(amounts in thousands) | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
March 29, 2025 |  | Cost |  | Holding Gains |  | Holding Losses |  | Value
Available-for-sale: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Level 1 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Equity securities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | $ | 6,995
Level 2 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Corporate and municipal bonds | ​ | $ | 153,734 | ​ | $ | 2,657 | ​ | $ | (7,165) | ​ | ​ | 149,226
Commercial paper | ​ | ​ | 13,634 | ​ | ​ | 82 | ​ | ​ | — | ​ | ​ | 13,716
Total | ​ | $ | 167,368 | ​ | $ | 2,739 | ​ | $ | (7,165) | ​ | $ | 169,937
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​ | ​
(amounts in thousands) | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
December 28, 2024 |  | Cost |  | Holding Gains |  | Holding Losses |  | Value
Available-for-sale: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Level 1 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Equity securities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | $ | 5,930
Level 2 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Corporate and municipal bonds | ​ | $ | 171,258 | ​ | $ | 2,525 | ​ | $ | (6,583) | ​ | ​ | 167,201
Commercial paper | ​ | ​ | 18,671 | ​ | ​ | 169 | ​ | ​ | — | ​ | ​ | 18,840
Total | ​ | $ | 189,930 | ​ | $ | 2,695 | ​ | $ | (6,583) | ​ | $ | 191,971
​
Schedule Of Maturities Of Marketable Securities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Amortized | ​ | Fair
(amounts in thousands) |  | Cost |  | Value
Available-for-sale: | ​ | ​ | ​ | ​ | ​ | ​
Due within one year | ​ | $ | 42,941 | ​ | $ | 43,236
Due after one year through five years | ​ | ​ | 62,834 | ​ | ​ | 60,574
Due after five years through ten years | ​ | ​ | 11,959 | ​ | ​ | 11,220
Due after ten years | ​ | ​ | 49,634 | ​ | ​ | 47,912
Total | ​ | $ | 167,368 | ​ | $ | 162,942
​

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration