Unaudited Condensed Consolidated Statements of Cash Flows (USD $) In Thousands	3 Months Ended
Apr. 30, 2011	May 01, 2010
Cash Flows From Operating Activities:
Net income	$ 21,337	$ 17,341
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	3,279	3,492
Stock-based compensation	1,841	1,491
Other non-cash adjustments to net income	1,021	(732)
Changes in operating assets and liabilities	8,051	(1,300)
Net cash provided by operating activities	35,529	20,292
Cash Flows From Investing Activities:
Capital expenditures	(3,005)	(1,275)
Other, net	(262)	(187)
Net cash used in investing activities	(3,267)	(1,462)
Cash Flows From Financing Activities:
Cash used for stock repurchases	(22,578)	0
Net payments on revolving credit facility and capital lease obligations	(73)	(26)
Proceeds from options exercised and purchase of shares under the employee stock purchase plan	954	2,041
Other, net	(738)	818
Net cash (used in) provided by financing activities	(22,435)	2,833
Net Increase in Cash and Cash Equivalents	9,827	21,663
Cash and Cash Equivalents, Beginning of Period	75,517	49,691
Cash and Cash Equivalents, End of Period	$ 85,344	$ 71,354

The cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards other than stock option exercises. The cash inflow associated with the amount received from holders exercising their stock options.

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The cash outflow to pay off an obligation from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity. And the cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity that is collateralized (backed by pledge, mortgage or other lien in the entity's assets).

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Transactions that do not result in cash inflows or outflows in the period in which they occur, but affect net income and thus are removed when calculating net cash flow from operating activities using the indirect cash flow method. This element is used when there is not a more specific and appropriate element.

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Includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Entity may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits should not be reported as cash and cash equivalents.

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The net change between the beginning and ending balance of cash and cash equivalents.

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The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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The net change during the reporting period of all current assets and liabilities used in operating activities.

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The net cash inflow (outflow) from financing activity for the period.

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The net cash inflow (outflow) from investing activity.

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The net cash from (used in) all of the entity's operating activities, including those of discontinued operations, of the reporting entity. Operating activities generally involve producing and delivering goods and providing services. Operating activity cash flows include transactions, adjustments, and changes in value that are not defined as investing or financing activities.

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Cash generated by or used in operating activities of continuing operations; excludes cash flows from discontinued operations.

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The portion of consolidated profit or loss for the period, net of income taxes, which is attributable to the parent. If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes.

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The net cash outflow (inflow) from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.

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The cash outflow to reacquire common and preferred stock.

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The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

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The net cash inflow (outflow) from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock options, amortization of restricted stock, and adjustment for officers compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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