Note 17 - Severance and Other Charges (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 29, 2013		Jun. 28, 2014	Jun. 29, 2013		Dec. 28, 2013
Note 17 - Severance and Other Charges (Details) [Line Items]
Restructuring Charges	$ 293,000	[1]	$ 104,000	$ 438,000	[1]
Prepaid Expense and Other Assets, Current			3,751,000			1,875,000
Rabbi Trust [Member]
Note 17 - Severance and Other Charges (Details) [Line Items]
Prepaid Expense and Other Assets, Current			1,700,000
Employee Severance [Member] | Chief Executive Officer [Member]
Note 17 - Severance and Other Charges (Details) [Line Items]
Restructuring Reserve			$ 2,500,000			$ 2,500,000

[1] Certain prior year amounts have been reclassified to conform to fiscal 2014 presentation. These changes had no impact on previously reported results of operations or shareholder's equity.