Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
OPERATING ACTIVITIES
Net income	$ 60,502us-gaap_NetIncomeLoss	$ 54,322us-gaap_NetIncomeLoss	$ 61,668us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	22,026us-gaap_DepreciationAndAmortization	21,825us-gaap_DepreciationAndAmortization	22,455us-gaap_DepreciationAndAmortization
Provision For Doubtful Accounts	875us-gaap_ProvisionForDoubtfulAccounts	1,009us-gaap_ProvisionForDoubtfulAccounts	1,259us-gaap_ProvisionForDoubtfulAccounts
Purchase premium and premium amortization	(104)	(873)	0
Share Based Compensation	3,582us-gaap_ShareBasedCompensation	3,007us-gaap_ShareBasedCompensation	2,796us-gaap_ShareBasedCompensation
Excess tax benefits from share-based compensation	(243)	(88)	(509)
Deferred income taxes	(1,563)us-gaap_DeferredIncomeTaxExpenseBenefit	(4,766)us-gaap_DeferredIncomeTaxExpenseBenefit	(5,540)us-gaap_DeferredIncomeTaxExpenseBenefit
Loss on disposal of property and equipment	1,288	1,665	1,747
Impairment	2,249us-gaap_ImpairmentOfLeasehold	2,646us-gaap_ImpairmentOfLeasehold	2,011us-gaap_ImpairmentOfLeasehold
Changes in operating assets and liabilities which provided (used) cash:
Accounts receivable	(2,674)	(217)	1,749
Merchandise inventories	13,312	(10,123)	(10,356)
Prepaid and other assets	(6,078)	2,969	(6,730)
Accrued income taxes	(356)	651	(343)
Accounts payable, accrued expenses and other liabilities	24,643	20,932	9,103
Net cash provided by operating activities	117,459	92,959	79,310
INVESTING ACTIVITIES
Capital expenditures	(28,901)	(31,542)	(45,175)
Purchase of short-term investments	(49,820)	(65,455)	(108,662)
Sales of short-term investments	48,850	62,766	156,642
Purchase of Other Assets	(1,267)us-gaap_PaymentsToAcquireProjects	0us-gaap_PaymentsToAcquireProjects	0us-gaap_PaymentsToAcquireProjects
Sales Of Other Assets	(3,227)	0	(1,041)
Change in restricted cash and investments	222	1,298	(674)
Net cash used in investing activities	(27,689)	(32,933)	3,172
FINANCING ACTIVITIES
Dividends paid	(33,886)us-gaap_PaymentsOfDividends	(5,853)us-gaap_PaymentsOfDividends	(87,222)us-gaap_PaymentsOfDividends
Repurchase of common stock	(42,129)	(6,429)	(367)
Proceeds from employee stock purchase plan	510us-gaap_ProceedsFromStockPlans	394us-gaap_ProceedsFromStockPlans	723us-gaap_ProceedsFromStockPlans
Excess tax benefits from share-based compensation financing activities	243	88	509
Proceeds From Stock Options Exercised	11	132	51
Net cash provided used in financing activities	(75,251)	(11,668)	(86,306)
Net increase in cash and cash equivalents	14,519	48,358	(3,824)
Cash and cash equivalents at beginning of period	79,427	31,069	34,893
Effect of Exchange Rate On Cash	0us-gaap_EffectOfExchangeRateOnCash	0us-gaap_EffectOfExchangeRateOnCash	0us-gaap_EffectOfExchangeRateOnCash
Cash and cash equivalents at end of period	93,946	79,427	31,069
Change in Accrued PPE	$ 1,780	$ 4,315	$ 2,819

No authoritative reference available.

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The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow associated with the sale, maturity and collection of all investments such as debt, security and so forth during the period.

+ References

+ Details

Name:	us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from the sale of investment projects held by an entity in hopes of getting a future return or interest from it.

+ References

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Name:	us-gaap_ProceedsFromSaleOfInvestmentProjects
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (j)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow associated with the amount received from the stock plan during the period.

+ References

+ Details

Name:	us-gaap_ProceedsFromStockPlans
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, 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.

+ References

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration