Note 10 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016	Dec. 30, 2016
Deferred tax assets:
Accrued expenses	$ 24,094	$ 31,770
Foreign tax credit carryforwards	1,053	6,472
Accrued restructuring	156	456
Capital losses	3,165	4,557
Domestic and foreign net operating loss carryforwards	5,778	2,223
Gross deferred tax assets	34,246	45,478
Less: Valuation allowance	(6,203)	(6,738)
Total deferred tax assets	28,043	38,740
Deferred tax liabilities:
Tax depreciation and amortization in excess of book	21,254	23,471
Tax on unremitted earnings	12,000	1,750	$ 1,800
Total deferred tax liabilities	33,254	25,221
Net deferred tax liabilities	$ (5,211)
Net deferred tax assets		$ 13,519