Stockholders' Equity (Schedule of Changes in Accumulated Other Comprehensive Income (loss) by Component) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jul. 02, 2023
Estimated tax benefit (provision)
Beginning balance	$ 3	$ 125
Other comprehensive income (loss) before reclassifications	37	(383)
Less: Amount reclassified from accumulated other comprehensive income (loss)	34	(265)
Net current period other comprehensive income (loss)	3	(118)
Ending balance	6	7
AOCI, after tax
Beginning balance	535,495	620,855
Other comprehensive income (loss) before reclassifications	(368)	1,644
Less: Amount reclassified from accumulated other comprehensive income (loss)	(128)	997
Net current period other comprehensive income (loss)	(240)	647
Ending balance	459,399	612,736
Unrealized gains (losses) on available-for-sale investments
AOCI, before tax
Beginning balance	126	(322)
Other comprehensive income (loss) before reclassifications	(219)	191
Less: Amount reclassified from accumulated other comprehensive income (loss)	0	0
Net current period other comprehensive income (loss)	(219)	191
Ending balance	(93)	(131)
Unrealized gains (losses) on derivatives
AOCI, before tax
Beginning balance	7	(338)
Other comprehensive income (loss) before reclassifications	(186)	1,836
Less: Amount reclassified from accumulated other comprehensive income (loss)	(162)	1,262
Net current period other comprehensive income (loss)	(24)	574
Ending balance	(17)	236
AOCI
AOCI, after tax
Beginning balance	136	(535)
Ending balance	$ (104)	$ 112