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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended
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Dec. 29, 2017 | Dec. 30, 2016
Statement of Comprehensive Income [Abstract] |  |
Change in pension plans, tax | $ 44 | $ 54

X
- Definition Amount of tax (expense) benefit of reclassification adjustment from accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Period Type: | duration