Note 14 - Income Taxes (Details) - Effective Income Tax Reconciliation and Provision for Income Taxes (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 27, 2014	Dec. 28, 2013	Dec. 29, 2012
Effective Income Tax Reconciliation and Provision for Income Taxes [Abstract]
Tax expense at statutory rate of 35%	$ 46,076	$ 43,481	$ 35,018
State and local taxes, net of federal tax benefit	1,186	1,076	536
Foreign income tax rate differential	(14,981)	(15,497)	(11,146)
Capital loss valuation allowance		6,085
Tax on unremitted earnings		(349)
Other, net	(53)	655	312
Provision for income taxes	$ 32,228us-gaap_IncomeTaxExpenseBenefit	$ 35,451us-gaap_IncomeTaxExpenseBenefit	$ 24,720us-gaap_IncomeTaxExpenseBenefit

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to equity in earnings (loss) of unconsolidated subsidiaries exempt from income taxes.

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