Summary of Significant Accounting Policies Cash and Cash Equivalents (Details) (USD $)	Jan. 03, 2015	Dec. 28, 2013
Accounting Policies [Abstract]
Cash, Uninsured Amount	$ 43,200,000us-gaap_CashUninsuredAmount	$ 46,300,000us-gaap_CashUninsuredAmount
cash equivalent, in transit settlements	$ 3,300,000wmar_Cashequivalentintransitsettlements	$ 2,800,000wmar_Cashequivalentintransitsettlements

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