Equity-based Compensation Plans - Restricted Stock Units (Details) - USD ($) $ / shares in Units, shares in Thousands		9 Months Ended
Jul. 02, 2019	Sep. 30, 2019
Wolfe Consulting Agreement
Wolfe Consulting Agreement
Agreement term (in years)	3 years
Monthly fee	$ 10,000
Restricted Stock Units (RSUs)
Restricted Stock Units
Outstanding at December 31, 2018 (in shares)		1,426
Granted (in shares)		140
Vested (in shares)		(249)
Forfeited (in shares)		(92)
Outstanding at June 30, 2019 (in shares)		1,225
Weighted Average Grant Date Fair Value
Weighted average grant date fair value (per share)		$ 13.63

Represents the maximum term of the agreement.

No definition available.

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- Definition

Represents the monthly consulting fee per the agreement.

+ References

No definition available.

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- Definition

Number of shares under non-option equity instrument agreements that were forfeited as a result of occurrence of a terminating event.

+ References

No definition available.

+ Details

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- Definition

Number of shares under non-option equity instrument agreements that were vested as a result of occurrence of a terminating event

+ References

No definition available.

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- References

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Net number of non-option equity instruments granted to participants.

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- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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