Property And Equipment, Net (Property And Equipment, Net) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2015
Property, Plant and Equipment
Property and equipment, gross	$ 342,054	$ 356,196
Less: accumulated depreciation	(267,815)	(290,168)
Property and equipment, net, total	74,239	66,028
Depreciation expense	16,200	16,300	$ 19,200
Land
Property, Plant and Equipment
Property and equipment, gross	3,957	3,977
Buildings and leasehold improvements
Property, Plant and Equipment
Property and equipment, gross	69,065	68,377
Furniture, fixtures and equipment
Property, Plant and Equipment
Property and equipment, gross	$ 269,032	$ 283,842