CREDIT FACILITY (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Oct. 27, 2012 item	Jul. 28, 2012
New Credit Facility
CREDIT FACILITY
Number of subsidiary borrowers under the credit agreement	2
Deferred financing costs		$ 0.4
Percentage of borrowing base	10.00%
Borrowing availability	3.0
Ownership interest percentage held as collateral security	100.00%
Borrowing base	46.4
Open on-demand letters of credit	3.7
New Credit Facility | Minimum
CREDIT FACILITY
Letters of credit fees (as a percent)	1.50%
New Credit Facility | Maximum
CREDIT FACILITY
Letters of credit fees (as a percent)	2.50%
New Credit Facility | Prime rate
CREDIT FACILITY
Reference rate, description	Prime rate
New Credit Facility | Prime rate | Minimum
CREDIT FACILITY
Interest rate added to the reference rate (as a percent)	1.00%
New Credit Facility | Prime rate | Maximum
CREDIT FACILITY
Interest rate added to the reference rate (as a percent)	1.50%
New Credit Facility | LIBOR
CREDIT FACILITY
Reference rate, description	LIBOR
New Credit Facility | LIBOR | Minimum
CREDIT FACILITY
Interest rate added to the reference rate (as a percent)	2.00%
New Credit Facility | LIBOR | Maximum
CREDIT FACILITY
Interest rate added to the reference rate (as a percent)	2.50%
Revolving credit loan
CREDIT FACILITY
Maximum borrowing capacity under the credit facility	50.0
Available borrowing capacity under the credit facility	38.1
Standby and documentary letters of credit
CREDIT FACILITY
Maximum borrowing capacity under the credit facility	$ 10.0