Business Combination: (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended
	Apr. 19, 2016	Apr. 30, 2016	May. 02, 2015
Business Acquisition [Line Items]
Acquisitions, net of cash acquired		$ 91,871	$ 0
Amortization expense		200	200
Cost of goods sold adjustment expense		200	1,200
Transaction costs		800	$ 800
Southern Tide
Business Acquisition [Line Items]
Purchase price	$ 85,000
Acquisitions, net of cash acquired		$ 91,900
Cash acquired	2,423
Selling, General and Administrative Expenses | Southern Tide
Business Acquisition [Line Items]
Transaction costs	$ 800