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Significant Accounting Policies Significant Accounting Policies (Income Tax) (Details) (Details) $ in Millions | 12 Months Ended
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Dec. 30, 2017 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Valuation allowances and reserves, period increase (decrease) | $ 56.5

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- Definition Amount of increase (decrease) in allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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