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Nature of Operations and Summary of Significant Accounting Policies - Inventory (Details) - USD ($) $ in Thousands | Jan. 02, 2016 | Jan. 03, 2015
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Accounting Policies [Abstract] |  |
Inventory for Long-term Contracts, Net | $ 274 | $ 2,171
Raw Materials and Supplies | 22,324 | 24,403
Work in Process | 13,819 | 11,259
Finished Goods (includes $1,262 and $1,394 at customer locations) | 20,615 | 19,561
Inventories | 56,758 | 55,223
Finished goods, at customer locations | 1,262 | 1,394
Customer Advances and Progress Payments for Long-term Contracts or Programs | $ 2,374 | $ 3,248

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- Definition The amount of the offset related to government or other customer advances received on a contract when the expected advances will be applied in payment to those particular charges of the receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 912 -SubTopic 210 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7481487&loc=d3e52987-109388 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 912 -SubTopic 210 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6471687&loc=d3e53318-109389 + Details
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