Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Jan. 31, 2013
Operating segment data
Net Sales	$ 110,010	$ 103,655
Operating Income	10,005	8,488
Total Assets	515,379	493,040	526,362
Wholesale
Operating segment data
Net Sales	99,976	93,511
Operating Income	8,854	7,122
Total Assets	495,861	474,460	507,672
Retail
Operating segment data
Net Sales	10,034	10,144
Operating Income	1,151	1,366
Total Assets	$ 19,518	$ 18,580	$ 18,690