Merger Agreement (Details) $ in Thousands	6 Months Ended
Jul. 01, 2017 USD ($)
West Marine [Member]
Business Acquisition [Line Items]
Business combination, termination contingency, potential termination fee	$ 11,000
Parent Company [Member]
Business Acquisition [Line Items]
Business combination, termination contingency, potential termination fee	$ 17,000

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.

No definition available.

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