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Note 15 - Employee Benefit Plans - Weighted Average Asset Allocations (Details) | 12 Months Ended |
--- | --- | ---
Jan. 01, 2017 | Jan. 03, 2016
Percentage of Plan Assets at Year End | 100.00% | 100.00%
Maximum [Member] |  |
Target Allocation | 100.00% |
Equity Securities [Member] |  |
Target Allocation | 50.00% |
Percentage of Plan Assets at Year End | 43.00% | 49.00%
Equity Securities [Member] | Minimum [Member] |  |
Target Allocation | 40.00% |
Debt Securities [Member] |  |
Target Allocation | 45.00% |
Percentage of Plan Assets at Year End | 36.00% | 41.00%
Debt Securities [Member] | Minimum [Member] |  |
Target Allocation | 35.00% |
Other Securities [Member] |  |
Target Allocation | 20.00% |
Percentage of Plan Assets at Year End | 21.00% | 10.00%
Other Securities [Member] | Minimum [Member] |  |
Target Allocation | 10.00% |

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- Definition Target allocation of investments of this type to total plan assets presented on a weighted average basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(i) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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