Note 12 - Accumulated Other Comprehensive Income (Loss) (AOCI) (Details) - Components of Accumulated Other Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 28, 2014		Dec. 28, 2013
Components of Accumulated Other Comprehensive Income (Loss) [Abstract]
Pension liability adjustment(a)	$ (17,145)	[1]	$ (17,140)	[1]
Pension liability adjustment(a)	(180)	[1]
Pension liability adjustment(a)	175	[1]
Unrealized gain on investments(b)	12,977	[2]	9,393	[2]
Unrealized gain on investments(b)	3,584	[2]
Unrealized gain on investments(b)		[2]
Foreign currency translation adjustment	27,853		28,164
Foreign currency translation adjustment	(311)
AOCI income (loss)	23,685		20,417
AOCI income (loss)	3,093
AOCI income (loss)	$ 175

[1] Balances are net of tax of $6,551 and $6,549 for 2014 and 2013, respectively.

[2] Balances are net of tax of $0 and $0 for 2014 and 2013, respectively.