Note 7 - Restructuring Charges (Details) - Restructuring Activities (Restructuring Charge 2012 [Member], USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 30, 2012
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs		$ 8,465
Restructuring Costs	2,934	5,205
Restructuring Costs	326
Fixed Asset Impairment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs		9,364
Restructuring Costs	0	9,364
Restructuring Costs	0
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs		1,596
Restructuring Costs	75	1,034
Restructuring Costs	$ 487