Note 13 - Accumulated Other Comprehensive Income (Loss) (AOCI) (Details) - Components of Accumulated Other Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 29, 2013		Jun. 30, 2012	Jun. 29, 2013		Jun. 30, 2012	Dec. 29, 2012
Components of Accumulated Other Comprehensive Income (Loss) [Abstract]
Pension liability adjustment(a)	$ (21,204)	[1]		$ (21,204)	[1]		$ (20,879)	[1]
Pension liability adjustment(a)	(131)		59	(325)	[1]	(7)
Unrealized gain on investments(b)	8,945	[2]		8,945	[2]		7,867	[2]
Unrealized gain on investments(b)				1,078	[2]
Foreign currency translation adjustment	16,289			16,289			29,560
Foreign currency translation adjustment				(13,271)
Total	$ 4,030			$ 4,030			$ 16,548

[1] Balances are net of tax of $12,003 and $11,819 for 2013 and 2012, respectively.

[2] Balances are net of tax of $0 and $0 for 2013 and 2012, respectively.