Derivative Financial Instruments, Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Apr. 01, 2018	Dec. 30, 2018
Not Designated as Hedging Instrument [Member] \| Foreign Exchange Forward [Member] \| Other Income (Expense) [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	$ 4,809	$ (6,700)
Not Designated as Hedging Instrument [Member] \| Intercompany Loans [Member]
Derivative [Line Items]
Notional amount of derivative	293,326	132,945	$ 452,773
Cash Flow Hedging [Member] \| Designated as Hedging Instrument [Member] \| Foreign Exchange Forward [Member]
Derivative [Line Items]
Notional amount of derivative	$ 776,642	$ 1,273,262	$ 792,840

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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+ References

No definition available.

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- Definition

Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5618551-113959

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