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Income Taxes - Operating Loss Carryforwards (Details) - Foreign tax authority [Member] $ in Millions	12 Months Ended
	Dec. 30, 2017 USD ($)
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards subject to amortization	$ 9.1
Net operating loss carryforwards not subject to expiration	$ 156.4
Net operating loss carryforwards, year of expiration	Dec. 31, 2025

X

- Definition

Amount attributable to deductible operating loss carryforwards that are not subject to expiration dates.

+ References

No definition available.

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. The portion of total operating loss carryforwards with expiration dates.

+ References

No definition available.

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- Definition

Expiration date of each operating loss carryforward included in operating loss carryforward, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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