Stockholders' Equity (Schedule of Changes in Accumulated Other Comprehensive Income (loss) by Component) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2025	Mar. 31, 2024
Estimated tax benefit (provision)
Beginning balance	$ (7)	$ 3
Other comprehensive income (loss) before reclassifications	115	6
Less: Amount reclassified from accumulated other comprehensive income (loss)	80	13
Net current period other comprehensive income (loss)	35	(7)
Ending balance	28	(4)
AOCI, after tax
Beginning balance	541,066	535,495
Other comprehensive income (loss) before reclassifications	(625)	(165)
Less: Amount reclassified from accumulated other comprehensive income (loss)	(302)	(50)
Net current period other comprehensive income (loss)	(323)	(115)
Ending balance	534,243	511,362
Unrealized gains (losses) on available-for-sale investments
AOCI, before tax
Beginning balance	169	126
Other comprehensive income (loss) before reclassifications	(78)	(166)
Less: Amount reclassified from accumulated other comprehensive income (loss)	0	0
Net current period other comprehensive income (loss)	(78)	(166)
Ending balance	91	(40)
Unrealized gains (losses) on derivatives
AOCI, before tax
Beginning balance	79	7
Other comprehensive income (loss) before reclassifications	(662)	(5)
Less: Amount reclassified from accumulated other comprehensive income (loss)	(382)	(63)
Net current period other comprehensive income (loss)	(280)	58
Ending balance	(201)	65
AOCI
AOCI, after tax
Beginning balance	241	136
Ending balance	$ (82)	$ 21