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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) / INCOME (UNAUDITED) (Parenthetical) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
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Jun. 28, 2020 | Jun. 30, 2019 | Jun. 28, 2020 | Jun. 30, 2019
Statement of Comprehensive Income [Abstract] |  |  |  |
Other comprehensive (income) loss, defined benefit plan, after reclassification adjustment, tax | $ 0.1 | $ 0.1 | $ 0.2 | $ 0.2
Other comprehensive income (loss), cash flow hedge, gain (loss), after reclassification, tax | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.0

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- Definition Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e640-108580 + Details
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