Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Cash Flows From Operating Activities
Net income	$ 64,641us-gaap_NetIncomeLoss	$ 65,883us-gaap_NetIncomeLoss	$ 180,219us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by operating activities —
Goodwill and trade name impairment charges, pre-tax	30,100	72,466	0
Depreciation and amortization	122,269us-gaap_DepreciationAndAmortization	118,303us-gaap_DepreciationAndAmortization	108,471us-gaap_DepreciationAndAmortization
Deferred tax (benefit) expense	(9,598)us-gaap_DeferredIncomeTaxExpenseBenefit	10,231us-gaap_DeferredIncomeTaxExpenseBenefit	(4,211)us-gaap_DeferredIncomeTaxExpenseBenefit
Stock-based compensation expense	26,487us-gaap_ShareBasedCompensation	27,145us-gaap_ShareBasedCompensation	26,453us-gaap_ShareBasedCompensation
Excess tax benefit from stock-based compensation	(1,981)	(2,483)	(7,952)
Deferred rent and lease credits	(20,017)chs_DeferredRentandLeaseCredits	(18,863)chs_DeferredRentandLeaseCredits	(16,812)chs_DeferredRentandLeaseCredits
Loss on disposal and impairment of property and equipment	10,085	1,736	2,765
Changes in assets and liabilities:
Inventories	2,986us-gaap_IncreaseDecreaseInInventories	(31,296)us-gaap_IncreaseDecreaseInInventories	(12,379)us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other assets	53	(2,767)	(3,956)
Accounts payable	13,280	1,867	28,992
Accrued and other liabilities	44,178	(5,540)	66,683
Net cash provided by operating activities	282,483	236,682	368,273
Cash Flows From Investing Activities:
Purchases of marketable securities	(128,696)	(96,374)	(298,460)
Proceeds from sale of marketable securities	118,062	252,768	214,783
Purchases of property and equipment	(119,817)	(138,510)	(164,690)
Net cash (used in) provided by investing activities	(130,451)	17,884	(248,367)
Cash Flows From Financing Activities:
Proceeds from issuance of common stock	6,268	12,395	16,531
Excess tax benefit from stock-based compensation	1,981	2,483	7,952
Dividends paid	(45,773)us-gaap_PaymentsOfDividendsCommonStock	(38,255)us-gaap_PaymentsOfDividendsCommonStock	(34,928)us-gaap_PaymentsOfDividendsCommonStock
Repurchase of common stock	(18,124)	(251,646)	(111,521)
Net cash used in financing activities	(55,648)	(275,023)	(121,966)
Effects of exchange rate changes on cash and cash equivalents	523	42	0
Net increase (decrease) in cash and cash equivalents	96,907	(20,415)	(2,060)
Cash and Cash Equivalents, Beginning of period	36,444	56,859	58,919
Cash and Cash Equivalents, End of period	133,351	36,444	56,859
Supplemental Disclosures of Cash Flow Information:
Cash paid for interest	321us-gaap_InterestPaid	346us-gaap_InterestPaid	379us-gaap_InterestPaid
Cash paid for income taxes, net	$ 55,093us-gaap_IncomeTaxesPaidNet	$ 66,459us-gaap_IncomeTaxesPaidNet	$ 95,545us-gaap_IncomeTaxesPaidNet

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-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

+ Details

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Namespace Prefix:	us-gaap_
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

+ Details

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

- Details

Name:	us-gaap_SupplementalCashFlowInformationAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration