Derivatives and Hedging Activities (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Apr. 01, 2012
Effect of nondesignated derivative contracts
Gain (loss) on foreign exchange contracts including forward point income	$ 9,659	$ 4,962
Gain (loss) from revaluation of foreign currency exposures hedged by foreign exchange contracts	$ (11,383)	$ (4,211)

Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency exposures hedged by non-designated derivative contracts.

No definition available.

Name:	sndk_GainLossOnRevaluationOfForeignCurrencyExposuresByInstrumentsNotDesignatedAsHedgingInstruments
Namespace Prefix:	sndk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration