Note 14 - Accumulated Other Comprehensive Income (Loss) (AOCI) - Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Oct. 01, 2016	Sep. 26, 2015	Oct. 01, 2016	Oct. 01, 2016		Sep. 26, 2015
Pension and post employment liability and reclassification adjustments(a)	[1]				$ (8,722)
Pension and post employment liability and reclassification adjustments(a)	[1]				(183)
Pension and post employment liability and reclassification adjustments(a)			$ 21,124		212	[1]	$ 21,124
Pension and post employment liability and reclassification adjustments(a)	[1]	(8,693)		(8,693)	(8,693)
Unrealized gain on investments(b)	[2]				11,584
Unrealized gain on investments(b)	[2]				(559)
Unrealized gain on investments(b)	[2]	11,025		11,025	11,025
Foreign currency translation adjustment					(48,533)
Foreign currency translation adjustment					(8,951)
Foreign currency translation adjustment		(57,484)		(57,484)	(57,484)
AOCI (loss) income					(45,671)
AOCI (loss) income					(9,693)
AOCI (loss) income		$ (55,152)		$ (55,152)	$ (55,152)

[1] Balances are net of tax of $654 and $661 for July 2, 2016 and January 2, 2016, respectively.

[2] Balances are net of tax of $0 and $0 for July 2, 2016 and January 2, 2016, respectively.