Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Property, Plant and Equipment [Line Items]
Property and equipment, Gross	$ 159,161	$ 164,632
Less — Accumulated depreciation	(106,446)	(112,003)
Property and equipment, net	52,715	52,629
Depreciation expense	11,118	10,266	$ 8,854
Land and improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, Gross	3,394	3,394
Building and improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, Gross	$ 38,358	38,405
Building and improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life (In Years)	5 years
Building and improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life (In Years)	40 years
Transmission and production equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, Gross	$ 7,308	5,180
Transmission and production equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life (In Years)	5 years
Transmission and production equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life (In Years)	10 years
Office and warehouse equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, Gross	$ 18,942	19,264
Office and warehouse equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life (In Years)	3 years
Office and warehouse equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life (In Years)	15 years
Computer hardware, software and telephone equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, Gross	$ 88,478	95,708
Computer hardware, software and telephone equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life (In Years)	3 years
Computer hardware, software and telephone equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life (In Years)	10 years
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, Gross	$ 2,681	$ 2,681
Leasehold improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life (In Years)	3 years
Leasehold improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life (In Years)	5 years