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Accumulated Other Comprehensive Loss - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Jan. 02, 2016 | Jan. 03, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Other comprehensive income (loss), net | $ 1,900 | $ 300 | $ 18,100
Accumulated Defined Benefit Plans Adjustment |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Actuarial loss recognized in the statements of operations as a component of net periodic pension costs, net of tax | 786 | (289) | 765
Unrecognized actuarial gain (loss) based on updated actuarial assumption included in other comprehensive income, net of tax | $ (2,927) | $ 699 | $ (18,416)

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- Definition Amount after tax, before reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=66004921&loc=d3e1436-108581 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
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