Summary of Significant Accounting Policies Foreign Currency (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Accounting Policies [Abstract]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, SG&A Portion	$ 0.1	$ (0.2)	$ 0.4

Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, SG&A Portion

No definition available.

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Namespace Prefix:	wmar_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration