Note 8 - Income Taxes - Components of Income/(Expense) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 26, 2015	Sep. 26, 2015
Pension Settlement [Member]
Income tax (expense)/benefit	$ 10,722	$ 10,722
Effective Income Tax Rate Reconciliation, Percent	35.50%	35.50%
Legal Restructuring Tax Impact [Member]
Income tax (expense)/benefit	$ (1,949)	$ (1,949)
Effective Income Tax Rate Reconciliation, Percent
All Other Income/(Expense) [Member]
Income tax (expense)/benefit	$ (10,090)	$ (25,534)
Effective Income Tax Rate Reconciliation, Percent	23.60%	23.90%
Pension settlement	$ (30,194)	$ (30,194)
Income tax (expense)/benefit	$ (1,317)	$ (16,761)
Effective Income Tax Rate Reconciliation, Percent	10.40%	21.80%
All other income/(expense)	$ 42,835	$ 106,958
Total consolidated	$ 12,641	$ 76,764