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Significant Accounting Policies (Hedging Instruments) (Details) $ in Millions	12 Months Ended
	Dec. 30, 2017 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Unrealized loss recognized in other comprehensive income (loss), net of taxes	$ 11.0

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- Definition

Unrealized Gain Loss On Foreign Exchange Forward Contracts, If Settled, Recognized In Other Comprehensive Income

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No definition available.

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No definition available.

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