Note 12 - Restructuring Charges (Details) - Restructuring Plan One Activities (Restructuring Charge 2014 [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Sep. 28, 2014	Dec. 28, 2014
Restructuring Cost and Reserve [Line Items]
Total restructuring charge	$ 12,400
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Total restructuring charge	9,700	9,669
Costs incurred		2,732
Balance at year end		6,937
Fixed Asset Impairment [Member]
Restructuring Cost and Reserve [Line Items]
Total restructuring charge	2,600	2,584
Costs incurred		2,584
Balance at year end		0
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Total restructuring charge		133
Costs incurred		133
Balance at year end		$ 0