Note 13 - Shareholders' Equity (Details) - Components of Accumulated Other Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013		Dec. 29, 2012		Dec. 31, 2011
Components of Accumulated Other Comprehensive Income (Loss) [Abstract]
Balance	$ (17,140)	[1]	$ (20,879)	[1]	$ (13,578)	[1]
Balance	9,393	[2]	7,867	[2]	6,642	[2]
Balance	28,164		29,560		15,567
Balance	20,417		16,548		8,631
Yearly activity	3,739	[1],[3]	(7,301)	[1],[3]	(6,703)	[3]
Yearly activity	1,526	[2],[3]	1,225	[2],[3]	(2,702)	[3]
Yearly activity	(1,396)		13,993		(3,205)
Yearly activity	$ 3,869		$ 7,917

[1] Net of tax of $6,253, $11,819, and $7,186 for 2013, 2012 and 2011, respectively.

[2] Net of tax of $0, $0 and $0 for 2013, 2012 and 2011, respectively.

[3] Including related tax impact (see Note 14).