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Store Closing Reserve (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Oct. 31, 2012
Summary of roll-forward for store closing reserve
Balance at January 31, 2012	$ 2,558
Additions to provision
Changes in estimates	173
Cash outlay, net	(572)
Balance at October 31, 2012	$ 2,159

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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- Definition

Net total Increase or Decrease in the accrual for restructuring costs during the reporting period.

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- Definition

Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

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