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Fair Value Measurements and Disclosures - Textual (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jul. 01, 2017 | Jun. 30, 2018 | Jul. 01, 2017
Fair Value Measurements and Disclosures (Textual) [Abstract] |  |  |  |
Fair value assets among level 1, level 2 and level 3 transfers, amount | $ 0 |  | $ 0 |
Forward Foreign Currency Contracts [Member] |  |  |  |
Fair Value Measurements and Disclosures (Textual) [Abstract] |  |  |  |
Derivative term |  |  | 30 days |
Forward Foreign Currency Contracts [Member] | Other Income (Expense), Net [Member] |  |  |  |
Fair Value Measurements and Disclosures (Textual) [Abstract] |  |  |  |
Gain (loss) on settlement of derivatives | $ (700,000) | $ (300,000) | $ (1,700,000) | $ 700,000

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- Definition Fair value assets among level one level two and level three transfers amount. + References No definition available. + Details
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- Definition Fair value measurements and disclosures. + References No definition available. + Details
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- Definition Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13(h)) -URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260 + Details
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