Fair Value Measurements and Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 27, 2025	Dec. 31, 2024
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Investments current fair value disclosure	$ 18,620	$ 29,212
Available-for-sale debt securities:	38,830	46,180
Marketable equity securities:	29,443	21,218
United States Government and agency securities
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Available-for-sale debt securities:	38,830	46,180
Total carrying value
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Available-for-sale debt securities:	38,830	46,180
Marketable equity securities:	29,443	21,218
Fair value, measurements, recurring [Member] | Total carrying value
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Available-for-sale debt securities:	38,830	46,180
Marketable equity securities:	29,443	21,218
Deferred compensation	816	1,482
Fair value, measurements, recurring [Member] | Total carrying value | United States Government and agency securities
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Available-for-sale debt securities:	38,830	46,180
Fair value, measurements, recurring [Member] | Total carrying value | Mutual funds
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Marketable equity securities:	18,412	19,491
Fair value, measurements, recurring [Member] | Total carrying value | Exchange traded funds
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Marketable equity securities:	11,031	1,727
Fair value, measurements, recurring [Member] | Quoted prices in active markets (level 1)
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Available-for-sale debt securities:	38,830	46,180
Marketable equity securities:	29,443	21,218
Deferred compensation	0	0
Fair value, measurements, recurring [Member] | Quoted prices in active markets (level 1) | United States Government and agency securities
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Available-for-sale debt securities:	38,830	46,180
Fair value, measurements, recurring [Member] | Quoted prices in active markets (level 1) | Mutual funds
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Marketable equity securities:	18,412	19,491
Fair value, measurements, recurring [Member] | Quoted prices in active markets (level 1) | Exchange traded funds
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Marketable equity securities:	11,031	1,727
Fair value, measurements, recurring [Member] | Significant other observable inputs (level 2)
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Available-for-sale debt securities:	0	0
Marketable equity securities:	0	0
Deferred compensation	0	0
Fair value, measurements, recurring [Member] | Significant other observable inputs (level 2) | United States Government and agency securities
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Available-for-sale debt securities:	0	0
Fair value, measurements, recurring [Member] | Significant other observable inputs (level 2) | Mutual funds
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Marketable equity securities:	0	0
Fair value, measurements, recurring [Member] | Significant other observable inputs (level 2) | Exchange traded funds
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Marketable equity securities:	0	0
Fair value, measurements, recurring [Member] | Significant unobservable inputs (level 3)
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Available-for-sale debt securities:	0	0
Marketable equity securities:	0	0
Deferred compensation	816	1,482
Fair value, measurements, recurring [Member] | Significant unobservable inputs (level 3) | United States Government and agency securities
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Available-for-sale debt securities:	0	0
Fair value, measurements, recurring [Member] | Significant unobservable inputs (level 3) | Mutual funds
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Marketable equity securities:	0	0
Fair value, measurements, recurring [Member] | Significant unobservable inputs (level 3) | Exchange traded funds
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Marketable equity securities:	$ 0	$ 0