Related Parties	12 Months Ended
Dec. 31, 2015
Related Party Transactions [Abstract]
Related parties	NOTE 11 – RELATED PARTIES The Company leases certain land and buildings related to 75 of its O'Reilly Auto Parts stores and one of its bulk facilities under fifteen- or twenty-year operating lease agreements with entities, in which certain of the Company's affiliated directors, or members of an affiliated director's immediate family, and an executive officer of the Company are affiliated. Generally, these lease agreements provide for renewal options for an additional five years at the option of the Company and the lease agreements are periodically modified to further extend the lease term for specific stores under the agreements. Lease payments under these operating leases totaled $4.5 million, $4.6 million and $4.4 million during the years ended December 31, 2015, 2014 and 2013, respectively. The Company believes that the lease agreements with the affiliated entities are on terms comparable to those obtainable from third parties. See Note 6 for further information concerning the Company's operating leases.

Related Parties

12 Months Ended

Dec. 31, 2015

NOTE 11 – RELATED PARTIES

The Company leases certain land and buildings related to 75 of its O'Reilly Auto Parts stores and one of its bulk facilities under fifteen- or twenty-year operating lease agreements with entities, in which certain of the Company's affiliated directors, or members of an affiliated director's immediate family, and an executive officer of the Company are affiliated. Generally, these lease agreements provide for renewal options for an additional five years at the option of the Company and the lease agreements are periodically modified to further extend the lease term for specific stores under the agreements. Lease payments under these operating leases totaled $4.5 million, $4.6 million and $4.4 million during the years ended December 31, 2015, 2014 and 2013, respectively. The Company believes that the lease agreements with the affiliated entities are on terms comparable to those obtainable from third parties. See Note 6 for further information concerning the Company's operating leases.