Accumulated Other Comprehensive Loss: (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 04, 2013	Apr. 28, 2012
Changes in the entity's accumulated other comprehensive loss by component, net of related income taxes
Beginning balance	$ (24,585)	$ (23,674)
Other comprehensive (loss) income before reclassifications	(329)	880
Amounts reclassified from accumulated other comprehensive income (loss) for gains realized	30	174
Total other comprehensive income (loss), net of taxes	(299)	1,054
Ending balance	(24,884)	(22,620)
Foreign currency translation gain (loss)
Changes in the entity's accumulated other comprehensive loss by component, net of related income taxes
Beginning balance	(23,986)	(24,157)
Other comprehensive (loss) income before reclassifications	(661)	1,269
Total other comprehensive income (loss), net of taxes	(661)	1,269
Ending balance	(24,647)	(22,888)
Net unrealized gain (loss) on cash flow hedges
Changes in the entity's accumulated other comprehensive loss by component, net of related income taxes
Beginning balance	(599)	483
Other comprehensive (loss) income before reclassifications	332	(389)
Amounts reclassified from accumulated other comprehensive income (loss) for gains realized	30	174
Total other comprehensive income (loss), net of taxes	362	(215)
Ending balance	$ (237)	$ 268