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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+ Details

Fair Value Measurements (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011	Jul. 12, 2012	Jan. 28, 2012
Fair Value Measurement (Textual) [Abstract]
Loans secured by company-owned life insurance	$ 135.2		$ 135.2			$ 137.3
Available option period			20 years
Floating rate senior note, current					80.0
Impairments of long-lived assets	$ 0	$ 0	$ 0	$ 0