Commitments, Contingencies and Guarantees (Details 6) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Apr. 01, 2012	Apr. 03, 2011
Net rent expense
Rent expense, net	$ 1,113	$ 1,896

Rent expense for each period for which an income statement is presented for minimum lease payments, contingent rentals, and sublease rentals.

No definition available.

Name:	sndk_OperatingLeasesRentExpenses
Namespace Prefix:	sndk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration