Accumulated Other Comprehensive Loss: (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 03, 2014	May 04, 2013
Changes in the entity's accumulated other comprehensive loss by component, net of related income taxes
Beginning balance	$ (23,618)	$ (24,585)
Other comprehensive income (loss) before reclassifications	(230)	(329)
Amounts reclassified from accumulated other comprehensive income (loss) for gain realized	(17)	30
Total other comprehensive income, net of taxes	(247)	(299)
Ending balance	(23,865)	(24,884)
Foreign currency translation gain (loss)
Changes in the entity's accumulated other comprehensive loss by component, net of related income taxes
Beginning balance	(23,283)	(23,986)
Other comprehensive income (loss) before reclassifications	94	(661)
Amounts reclassified from accumulated other comprehensive income (loss) for gain realized	0	0
Total other comprehensive income, net of taxes	94	(661)
Ending balance	(23,189)	(24,647)
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	(335)	(599)
Other comprehensive income (loss) before reclassifications	(324)	332
Amounts reclassified from accumulated other comprehensive income (loss) for gain realized	(17)	30
Total other comprehensive income, net of taxes	(341)	362
Ending balance	$ (676)	$ (237)