<SEC-DOCUMENT>0000806636-17-000003-index.html : 20171219
<SEC-HEADER>0000806636-17-000003.hdr.sgml : 20171219
<ACCEPTANCE-DATETIME>20171219124839
ACCESSION NUMBER:		0000806636-17-000003
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20171218
FILED AS OF DATE:		20171219
DATE AS OF CHANGE:		20171219

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LONGLEAF PARTNERS FUNDS TRUST
		CENTRAL INDEX KEY:			0000806636
		STATE OF INCORPORATION:			TN
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-18859
		FILM NUMBER:		171263414

	BUSINESS ADDRESS:	
		STREET 1:		C/O SOUTHEASTERN ASSET MANAGEMENT
		STREET 2:		6410 POPLAR AVE, SUITE 900
		CITY:			MEMPHIS
		STATE:			TN
		ZIP:			38119
		BUSINESS PHONE:		9017612474

	MAIL ADDRESS:	
		STREET 1:		C/O SOUTHEASTERN ASSET MANAGEMENT
		STREET 2:		6410 POPLAR AVE, SUITE 900
		CITY:			MEMPHIS
		STATE:			TN
		ZIP:			38119

	FORMER NAME:	
		FORMER CONFORMED NAME:	SOUTHEASTERN ASSET MANAGEMENT FUNDS TRUST
		DATE OF NAME CHANGE:	19920703

	FORMER NAME:	
		FORMER CONFORMED NAME:	SOUTHEASTERN ASSET MANAGEMENT VALUE TRUST
		DATE OF NAME CHANGE:	19881220

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SONIC CORP
		CENTRAL INDEX KEY:			0000868611
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-EATING PLACES [5812]
		IRS NUMBER:				731371046
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0816

	BUSINESS ADDRESS:	
		STREET 1:		300 JOHNNY BENCH DRIVE
		CITY:			OKLAHOMA CITY
		STATE:			OK
		ZIP:			73104
		BUSINESS PHONE:		4052255000

	MAIL ADDRESS:	
		STREET 1:		300 JOHNNY BENCH DRIVE
		CITY:			OKLAHOMA CITY
		STATE:			OK
		ZIP:			73104
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
</SEC-DOCUMENT>