Supplemental Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 28, 2017	Apr. 29, 2016
Related Party Transaction
Operating Income (Loss)	$ (6,720)	$ (3,486)
Other Operating Income (Expense), Net	$ (1,508)	$ 14

The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.

No definition available.

Name:	us-gaap_OtherOperatingIncomeExpenseNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration