Summary of Significant Accounting Policies Cash and Cash Equivalents (Details) - USD ($) $ in Millions	Jan. 02, 2016	Jan. 03, 2015
Accounting Policies [Abstract]
Cash, Uninsured Amount	$ 46.6	$ 43.2
cash equivalent, in transit settlements	$ 3.5	$ 3.3

Amount of credit card and debit card transactions in-transit as financial institution processes these amounts for settlement within three to five business days.

No definition available.

Name:	wmar_Cashequivalentintransitsettlements
Namespace Prefix:	wmar_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant