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Note 15 - Employee Benefit Plans (Details) - Foreign Defined Benefit Plan Assets by Asset Allocation and Fair Value Hierarchy (Details) - USD ($) $ in Thousands | Jan. 01, 2017 | Jan. 03, 2016
--- | --- | ---
Fair value of plan assets | $ 258,365 | $ 239,280
Fair Value, Inputs, Level 1 [Member] |  |
Fair value of plan assets | 153,090 | 165,766
Fair Value, Inputs, Level 1 [Member] | Equity Securities [Member] |  |
Fair value of plan assets | 110,738 | 117,889
Fair Value, Inputs, Level 1 [Member] | Debt Securities [Member] |  |
Fair value of plan assets | 37,175 | 45,953
Fair Value, Inputs, Level 1 [Member] | Other Securities [Member] |  |
Fair value of plan assets | 5,177 | 1,924
Fair Value, Inputs, Level 2 [Member] |  |
Fair value of plan assets | 50,364 | 59,228
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member] |  |
Fair value of plan assets | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Debt Securities [Member] |  |
Fair value of plan assets | 36,378 | 41,725
Fair Value, Inputs, Level 2 [Member] | Other Securities [Member] |  |
Fair value of plan assets | 13,986 | 17,503
Fair Value, Inputs, Level 3 [Member] |  |
Fair value of plan assets | 54,911 | 14,286
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member] |  |
Fair value of plan assets | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Debt Securities [Member] |  |
Fair value of plan assets | 19,224 | 9,576
Fair Value, Inputs, Level 3 [Member] | Other Securities [Member] |  |
Fair value of plan assets | $ 35,687 | $ 4,710

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- Definition Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 35 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=64937038&loc=d3e12355-114930 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Assets -URI http://asc.fasb.org/extlink&oid=6749337 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Assets -URI http://asc.fasb.org/extlink&oid=6520858 + Details
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