Note 15 - Income Taxes (Detail) - Deferred Tax Assets and Liabilities (USD $) In Thousands, unless otherwise specified	Dec. 29, 2012	Dec. 31, 2011
Deferred tax assets:
Accrued expenses	$ 21,308	$ 15,764
Foreign tax credit carryforwards	9,638	9,627
R&D credit carryforwards	147	1,013
AMT credit carryforwards	1,306	1,318
Accrued restructuring	310	300
Equity investments	2,787
Domestic and foreign net operating loss carryforwards	2,330	1,608
Gross deferred tax assets	37,826	29,630
Less: Valuation allowance	(784)	(708)
Total deferred tax assets	37,042	28,922
Deferred tax liabilities:
Tax depreciation and amortization in excess of book	16,713	10,919
Other	349	1,917
Total deferred tax liabilities	17,062	12,836
Net deferred tax assets	$ 19,980	$ 16,086