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Note 12 - Restructuring Charges (Details) - Restructuring Plan One Activities - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended | 24 Months Ended
--- | --- | --- | ---
Sep. 28, 2014 | Jan. 03, 2016 | Dec. 28, 2014 | Jan. 03, 2016
Restructuring Charge 2014 [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total restructuring charge | $ 12,400 |  |  |
Employee Severance [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Balance |  | $ 104 |  | $ 104
Employee Severance [Member] | Restructuring Charge 2014 [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total restructuring charge | 9,700 |  |  | 9,669
Costs incurred |  | 6,833 | $ 2,732 |
Fixed Asset Impairment [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Balance |  | 0 |  | 0
Fixed Asset Impairment [Member] | Restructuring Charge 2014 [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total restructuring charge | 2,600 |  |  | 2,584
Costs incurred |  | 0 | 2,584 |
Other Restructuring [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Balance |  | 0 |  | 0
Other Restructuring [Member] | Restructuring Charge 2014 [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total restructuring charge | $ 100 |  |  | $ 133
Costs incurred |  | $ 0 | $ 133 |

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- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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