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Fair Value Measurements - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
	Nov. 01, 2014	Nov. 02, 2013	Nov. 01, 2014	Nov. 02, 2013
Fair Value Disclosures [Abstract]
Impairment charges from continuing operations	$ 377,000	$ 600,000	$ 2,040,000	$ 2,031,000
Impairment of software	1,100,000		1,100,000
Accrued software maintenance costs	$ 400,000		$ 400,000

- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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