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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands | 7 Months Ended | 12 Months Ended
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Dec. 31, 2015 | Dec. 28, 2017 | Dec. 29, 2016 | May 28, 2015
Change in unrealized gain on available for sale investments, net of tax effect (benefit) | $ 0 | $ (9) | $ 9 | $ 0
Pension loss arising during period, net of tax benefit | 42 | 1,685 | 40 | 570
Amortization of the net actuarial loss and prior service credit related to the pension, net of tax effect | 84 | 142 | 55 | 127
Pension curtailment gain, net of tax effect | 0 | 0 | 127 | 0
Fair market value adjustment of interest rate swap, net of tax benefit | 25 | 0 | 95 | 110
Reclassification adjustment on interest rate swap included in interest expense, net of tax effect | 43 | 0 | 25 | 77
Reclassification adjustment related to interest rate swap de-designation, net of tax effect | $ 0 | $ 0 | $ 63 | $ 0

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- Definition Amount of tax expense (benefit) for increase (decrease) to other comprehensive income from settlement and curtailment gain (loss) of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e640-108580 + Details
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- Definition Amount of tax expense (benefit), after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e640-108580 + Details
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