Earnings Per Share (EPS) - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2025	Jun. 28, 2024	Jun. 27, 2025	Jun. 28, 2024
Numerator for basic and diluted EPS:
Net income	$ 25,140	$ 19,036	$ 42,838	$ 32,445
Denominator for basic EPS
Weighted-average shares outstanding (in shares)	20,779	20,741	20,779	20,710
Effect of dilutive securities:
Diluted potential common shares (in shares)	54	173	95	227
Denominator for diluted EPS:
Adjusted weighted-average shares outstanding (in shares)	20,833	20,914	20,874	20,937
Basic EPS (in usd per share)	$ 1.21	$ 0.92	$ 2.06	$ 1.57
Diluted EPS (in usd per share)	$ 1.21	$ 0.91	$ 2.05	$ 1.55
Stock appreciation rights
Effect of dilutive securities:
Dilutive effect of share-based compensation (in shares)	26	78	35	86
Restricted stock units
Effect of dilutive securities:
Dilutive effect of share-based compensation (in shares)	19	43	40	68
Performance-based restricted stock units
Effect of dilutive securities:
Dilutive effect of share-based compensation (in shares)	9	52	20	73