Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2023

Summary of Significant Accounting Policies

Schedule of estimated useful lives of the related assets

Asset Classification	Estimated Useful Life
Land, buildings and equipment (under lease)		Lesser of the lease term or estimated useful life of the asset
Machinery and equipment		3 to 10 years

Schedule of components of net income per share

	Year ended December 31,
	2023		2022		2021
	(in thousands, except per share data)
Net income available to common stockholders	$	246,263	$	183,079	$	98,650
Weighted average shares of common stock outstanding used in computing basic income per share		32,758		33,043		33,555
Incremental options and RSUs		407		499		713
Weighted average shares of common stock used in computing diluted net income per share		33,165		33,542		34,268
Net income per share
Basic	$	7.52	$	5.54	$	2.94
Diluted	$	7.43	$	5.46	$	2.88

Schedule of changes in accumulated other comprehensive loss, net of tax

	Foreign		Defined benefit
	currency		pension plan		Total
	(in thousands)
Balance at December 31, 2022	$	(1,994)	$	26	$	(1,968)
Other comprehensive income and pension reclassification		38		84		122
Balance at December 31, 2023	$	(1,956)	$	110	$	(1,846)