Derivative Financial Instruments (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 03, 2014		May 04, 2013
Net after-tax derivative activity recorded in accumulated other comprehensive income (loss)
Beginning balance loss	$ (113)		$ (1,782)
Net gains (losses) from changes in cash flow hedges	(2,058)		4,088
Net (gains) losses reclassified to earnings (loss)	504		(388)
Ending balance gain (loss)	(1,667)		1,918
Cash flow hedges | Cost of sales
Gains (losses) before taxes recognized on the derivative instruments designated as cash flow hedges in OCI and net earnings (loss)
Gain (loss) recognized in OCI	(2,572)		4,232
Gain (loss) reclassified from accumulated OCI to earnings (loss)	(494)	[1]	479	[1]
Cash flow hedges | Other income/expense
Gains (losses) before taxes recognized on the derivative instruments designated as cash flow hedges in OCI and net earnings (loss)
Gain (loss) recognized in OCI	(107)		438
Gain (loss) reclassified from accumulated OCI to earnings (loss)	$ (31)	[1]	$ (21)	[1]

[1] The ineffective portion was immaterial during the three months ended May 3, 2014 and May 4, 2013 and was recorded in net earnings (loss) and included in interest income/expense.