v3.8.0.1

Basis and Summary of Significant Accounting Policies - Supplemental Disclosure of Noncash Investing Transactions (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2018 USD ($)
Accounting Policies [Abstract] |
Asset acquisition, fair value of non-cash consideration | $ 0.4
Asset acquisition, non-cash settlement of accounts receivable | $ 0.2

X
- Definition Asset Acquisition, Consideration Transferred, Other + References No definition available. + Details
Name: | aan_AssetAcquisitionConsiderationTransferredOther
Namespace Prefix: | aan_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Asset Acquisition, Non-Cash Settlement Of Accounts Receivable + References No definition available. + Details
Name: | aan_AssetAcquisitionNonCashSettlementOfAccountsReceivable
Namespace Prefix: | aan_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration