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			9 Months Ended
	Sep. 28, 2013		Sep. 29, 2012	Sep. 28, 2013		Sep. 29, 2012	Dec. 29, 2012
Components of Accumulated Other Comprehensive Income (Loss) [Abstract]
Pension liability adjustment(a)	$ (21,228)	[1]		$ (21,228)	[1]		$ (20,879)	[1]
Pension liability adjustment(a)	(24)		(73)	(349)	[1]	(80)
Unrealized gain on investments(b)	8,413	[2]		8,413	[2]		7,867	[2]
Unrealized gain on investments(b)				546	[2]
Foreign currency translation adjustment	26,562			26,562			29,560
Foreign currency translation adjustment				(2,998)
Total	$ 13,747			$ 13,747			$ 16,548

[1] Balances are net of tax of $12,017 and $11,819 for 2013 and 2012, respectively.

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