XML 43 R31.htm IDEA: XBRL DOCUMENT
v3.25.2

FAIR VALUE MEASUREMENTS (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2025
Fair Value Measurements |
Valuation of marketable securities | The tables below identify the estimated fair value of the Company’s marketable securities, determined by reference to quoted market prices (Level 1), as of June 30, 2025, and December 31, 2024 (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2025
​ | ​ | Quoted Priced in Active Markets | ​ | Significant Other | ​ | Significant | ​ | ​ | ​
​ | ​ | for Identical Instruments | ​ | Observable Inputs | ​ | Unobservable Inputs | ​ | ​ | ​
​ |  | (Level 1) |  | (Level 2) |  | (Level 3) |  | Total
Marketable securities | ​ | $ | 64,169 | ​ | $ | — | ​ | $ | — | ​ | $ | 64,169
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2024
​ | ​ | Quoted Prices in Active Markets | ​ | Significant Other | ​ | Significant | ​ | ​
​ | ​ | for Identical Instruments | ​ | Observable Inputs | ​ | Unobservable Inputs | ​ | ​
​ |  | (Level 1) |  | (Level 2) |  | (Level 3) |  | Total
Marketable securities | ​ | $ | 65,156 | ​ | $ | — | ​ | $ | — | ​ | $ | 65,156
Valuation of senior notes | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2025 | ​ | December 31, 2024
​ | ​ | Carrying Amount | ​ | Estimated Fair Value | ​ | Carrying Amount | ​ | Estimated Fair Value
Senior Notes | ​ | $ | 5,324,367 | ​ | $ | 5,258,178 | ​ | $ | 5,321,219 | ​ | $ | 5,151,768

X
- Definition Tabular disclosure of fair value measurement of financial instruments. + References No definition available. + Details
Name: | orly_FairValueOfFinancialInstrumentsTableTextBlock
Namespace Prefix: | orly_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration