Name:	dks_AmortizationAndInterestConvertibleDebt
Namespace Prefix:	dks_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Debt Instrument, Convertible, Consecutive Business Days, Following Measurement Period

No definition available.

Name:	dks_DebtInstrumentConvertibleConsecutiveBusinessDaysFollowingMeasurementPeriod
Namespace Prefix:	dks_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Debt Instrument, Convertible, Consecutive Business Days, Measurement Period

No definition available.

Name:	dks_DebtInstrumentConvertibleConsecutiveBusinessDaysMeasurementPeriod
Namespace Prefix:	dks_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Value of additional shares sold over the initial allotment.

No definition available.

Name:	dks_DebtInstrumentConvertibleOverAllotmentOption
Namespace Prefix:	dks_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Percent at which the trading price per $1000 principal amount of Convertible Senior Notes for each day in Measurement period must be less than in order for conversion eligibility

No definition available.

Name:	dks_DebtInstrumentConvertiblePercentageOfStockPriceConversionTrigger
Namespace Prefix:	dks_
Data Type:	xbrli:pureItemType
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Period Type:	duration

Amount of principal of Convertible Senior Notes that can be converted once the initial conversion price is reached.

No definition available.

Name:	dks_DebtInstrumentConvertiblePrincipalAmount
Namespace Prefix:	dks_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399

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Carrying amount of long-term convertible debt as of the balance sheet date, net of the amount due in the next twelve months or greater than the normal operating cycle, if longer. The debt is convertible into another form of financial instrument, typically the entity's common stock.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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Name:	us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
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The price per share of the conversion feature embedded in the debt instrument.

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Data Type:	num:perShareItemType
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Period Type:	instant

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.

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Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

No definition available.

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Period Type:	duration

Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

No definition available.

Name:	us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger
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Data Type:	num:percentItemType
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Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.

No definition available.

Name:	us-gaap_DebtInstrumentConvertibleThresholdTradingDays
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Data Type:	xbrli:integerItemType
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Period Type:	duration

Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of the fee that accompanies borrowing money under the debt instrument.

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Name:	us-gaap_DebtInstrumentFeeAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
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Data Type:	num:percentItemType
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Period Type:	instant

Contractual interest rate for funds borrowed, under the debt agreement.

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Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
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Balance Type:	na
Period Type:	instant

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_DebtInstrumentLineItems
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Data Type:	xbrli:stringItemType
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Period Type:	duration

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 14
-Subparagraph (b)
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Price of a single share of a number of saleable stocks of a company.

No definition available.