Note 2 - Goodwill and Purchased Intangible Assets - Purchased Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 28, 2024	Dec. 30, 2023
Gross Carrying Amount, finite-lived intangible assets	$ 322,608	$ 329,301
Accumulated Amortization	211,891	177,531
Developed Technology Rights [Member]
Gross Carrying Amount, finite-lived intangible assets	228,789	233,623
Accumulated Amortization	$ 163,453	137,168
Remaining Useful Life (Year)	3 years 8 months 12 days
Customer Relationships [Member]
Gross Carrying Amount, finite-lived intangible assets	$ 72,570	73,759
Accumulated Amortization	$ 35,229	28,932
Remaining Useful Life (Year)	6 years 2 months 12 days
Trade Names [Member]
Gross Carrying Amount, finite-lived intangible assets	$ 20,926	21,569
Accumulated Amortization	$ 12,930	11,231
Remaining Useful Life (Year)	4 years 7 months 6 days
Order or Production Backlog [Member]
Gross Carrying Amount, finite-lived intangible assets	$ 100	100
Accumulated Amortization	$ 100	25
Remaining Useful Life (Year)	0 years
Noncompete Agreements [Member]
Gross Carrying Amount, finite-lived intangible assets	$ 223	250
Accumulated Amortization	$ 179	$ 175
Remaining Useful Life (Year)	2 years