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Business Segment Information (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Apr. 02, 2016 USD ($) Segment | Apr. 04, 2015 USD ($) | Jan. 02, 2016 USD ($)
Segment Reporting [Abstract] |  |  |
Number of reportable segments | Segment | 2 |  |
Revenues: |  |  |
Revenues | $ 96,538 | $ 92,251 |
Income from Continuing Operations Before Provision for Income Taxes: |  |  |
Total operating income | 10,093 | 10,371 |
Interest expense, net | (214) | (178) |
Income from Continuing Operations Before Provision for Income Taxes | 9,879 | 10,193 |
Capital Expenditures: |  |  |
Capital expenditures | 524 | 1,216 |
Total Assets: |  |  |
Total Assets | 457,620 |  | $ 415,498
Continuing Operations [Member] |  |  |
Total Assets: |  |  |
Total Assets | 457,605 |  | 415,483
Discontinued Operations [Member] |  |  |
Total Assets: |  |  |
Total Assets | 15 |  | 15
Fiber-Based Products [Member] |  |  |
Revenues: |  |  |
Revenues | 3,804 | 3,824 |
Operating Segment [Member] | Papermaking Systems [Member] |  |  |
Revenues: |  |  |
Revenues | 84,027 | 80,655 |
Income from Continuing Operations Before Provision for Income Taxes: |  |  |
Total operating income | 13,497 | 12,283 |
Capital Expenditures: |  |  |
Capital expenditures | 518 | 952 |
Operating Segment [Member] | Papermaking Systems [Member] | Continuing Operations [Member] |  |  |
Total Assets: |  |  |
Total Assets | 393,984 |  | 354,417
Operating Segment [Member] | Wood Processing Systems [Member] |  |  |
Revenues: |  |  |
Revenues | 8,707 | 7,772 |
Income from Continuing Operations Before Provision for Income Taxes: |  |  |
Total operating income | 806 | 2,245 |
Operating Segment [Member] | Wood Processing Systems [Member] | Continuing Operations [Member] |  |  |
Total Assets: |  |  |
Total Assets | 48,707 |  | 53,347
Corporate and Fiber-Based Products [Member] |  |  |
Income from Continuing Operations Before Provision for Income Taxes: |  |  |
Total operating income | (4,210) | (4,157) |
Corporate and Fiber-Based Products [Member] | Continuing Operations [Member] |  |  |
Total Assets: |  |  |
Total Assets | 14,914 |  | $ 7,719
Other [Member] |  |  |
Capital Expenditures: |  |  |
Capital expenditures | $ 6 | $ 264 |

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