Supplemental Cash Flows (Details) (USD $)	3 Months Ended
Apr. 28, 2012	Apr. 30, 2011	Jan. 28, 2012
Cash paid during the quarter for:
Interest	$ 328,000	$ 177,000
Income taxes, net	6,786,000	2,405,000
Schedule of noncash investing and financing activities:
Tax benefit related to share-based plans	1,960,000	633,000
Cash dividends declared	9,271,000	6,219,000	9,339,000
Unpaid capital expenditure purchases
Unpaid capital expenditure purchases	$ 11,000,000	$ 4,900,000

Tax benefit associated with any equity-based compensation plan other than an employee stock ownership plan (ESOP). The tax benefit results from the deduction by the entity on its tax return for an award of stock that exceeds the cumulative compensation cost for common stock or preferred stock recognized for financial reporting. Includes any resulting tax benefit that exceeds the previously recognized deferred tax asset (excess tax benefits).

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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