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Comprehensive Income and Accumulated Other Comprehensive Income (Loss) - Summary of Effects of Reclassifications from Accumulated Other Comprehensive Income (Loss) (Detail) $ in Thousands | 6 Months Ended
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Jul. 02, 2017 USD ($)
Pension and Other Postretirement Benefit Plans |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |
Total net of tax | $ 774
Reclassification out of Accumulated Other Comprehensive Income [Member] | Actuarial losses [Member] |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |
Total before tax | 1,278
Reclassification out of Accumulated Other Comprehensive Income [Member] | Prior service credit [Member] |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |
Total before tax | 20
Reclassification out of Accumulated Other Comprehensive Income [Member] | Pension and Other Postretirement Benefit Plans |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |
Total before tax | 1,258
Tax benefit | (484)
Total net of tax | $ (774)

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- Definition Amount before tax of 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 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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