Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Jan. 31, 2014
Operating segment data
Net sales	$ 120,921	$ 110,010
Operating Income	10,921	10,005
Total Assets	574,884	515,379	578,610
Wholesale
Operating segment data
Net sales	109,685	99,976
Operating Income	9,375	8,854
Total Assets	553,833	495,861	558,266
Retail
Operating segment data
Net sales	11,236	10,034
Operating Income	1,546	1,151
Total Assets	$ 21,051	$ 19,518	$ 20,344