Name:	dks_DefinedContributionPlanAnnualDiscretionaryMatchingContributionPerEmployeePercent
Namespace Prefix:	dks_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

Represents the minimum required age at which employees are eligible to participate in the defined contribution plan.

No definition available.

Name:	dks_DefinedContributionPlanEmployeesEligibilityForParticipationAgeMinimum
Namespace Prefix:	dks_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the maximum percentage of employees annual salary.

No definition available.

Name:	dks_DefinedContributionPlanMaximumAnnualDiscretionaryContributionPerEmployeePercent
Namespace Prefix:	dks_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Defined Contribution Plan, Requisite Service Period

No definition available.

Name:	dks_DefinedContributionPlanRequisiteServicePeriod
Namespace Prefix:	dks_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the average percentage of employees' annual contributions for which the employer contributes a discretionary matching contribution to the defined contribution plan.

No definition available.

Name:	dks_DefinedContributionPlanTypicalAnnualDiscretionaryMatchingContributionPerEmployeePercentOfContributions
Namespace Prefix:	dks_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

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

Amount of contributions made by employer into fund established for purposes of making future disbursement to individual in accordance with deferred compensation arrangement.

No definition available.

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

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

No definition available.

Name:	us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of cost for defined contribution plan.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942