Note 4 - Goodwill and Other Intangible Assets - Details of Other Intangible Assets and Related Future Amortization Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016
Finite-Lived Intangible Asset, Useful Life
Finite-lived intangible assets, gross	$ 350,432	$ 331,648
Finite-lived intangible assets, accumulated amortization	146,582	118,622
Finite-lived intangible assets, Net Book Value	203,850	213,026
Finite-lived Intangible Assets Acquired	$ 11,030	$ 144,368
Patents, Licenses, and Software [Member]
Finite-Lived Intangible Asset, Useful Life	11 years 146 days	11 years 146 days
Finite-lived intangible assets, gross	$ 141,520	$ 131,611
Finite-lived intangible assets, accumulated amortization	59,609	48,004
Finite-lived intangible assets, Net Book Value	$ 81,911	$ 83,607
Finite-lived intangible assets, useful life (Year)	9 years 219 days	9 years 219 days
Finite-lived Intangible Assets Acquired	$ 7,810	$ 65,449
Distribution Rights [Member]
Finite-Lived Intangible Asset, Useful Life	12 years 36 days	12 years 36 days
Finite-lived intangible assets, gross	$ 46,233	$ 49,150
Finite-lived intangible assets, accumulated amortization	33,361	30,155
Finite-lived intangible assets, Net Book Value	$ 12,872	$ 18,995
Customer Lists, Trademarks, and Trade Names [Member]
Finite-Lived Intangible Asset, Useful Life	15 years 219 days	14 years 146 days
Finite-lived intangible assets, gross	$ 162,679	$ 150,887
Finite-lived intangible assets, accumulated amortization	53,612	40,463
Finite-lived intangible assets, Net Book Value	$ 109,067	$ 110,424
Finite-lived intangible assets, useful life (Year)	9 years	13 years 182 days
Finite-lived Intangible Assets Acquired	$ 3,220	$ 78,919