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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001241580-06-000001.txt : 20060509
<SEC-HEADER>0001241580-06-000001.hdr.sgml : 20060509
<ACCEPTANCE-DATETIME>20060509184103
ACCESSION NUMBER:		0001241580-06-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060505
FILED AS OF DATE:		20060509
DATE AS OF CHANGE:		20060509

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIRST CASH FINANCIAL SERVICES INC
		CENTRAL INDEX KEY:			0000840489
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-MISCELLANEOUS RETAIL [5900]
		IRS NUMBER:				752237318
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		690 E LAMAR BLVD
		STREET 2:		STE 400
		CITY:			ARLINGTON
		STATE:			TX
		ZIP:			76011
		BUSINESS PHONE:		8174603947

	MAIL ADDRESS:	
		STREET 1:		690 E LAMAR BLVD
		STREET 2:		STE 400
		CITY:			ARLINGTON
		STATE:			TX
		ZIP:			76011

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIRST CASH INC
		DATE OF NAME CHANGE:	19940218

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BARRON ALAN
		CENTRAL INDEX KEY:			0001241585

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19133
		FILM NUMBER:		06822787

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		8174603947

	MAIL ADDRESS:	
		STREET 1:		690 E LAMAR BLVD 400
		CITY:			ARLINGTON
		STATE:			TX
		ZIP:			76011
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-05-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000840489</issuerCik>
        <issuerName>FIRST CASH FINANCIAL SERVICES INC</issuerName>
        <issuerTradingSymbol>FCFS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001241585</rptOwnerCik>
            <rptOwnerName>BARRON ALAN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>690 E LAMAR BLVD 400</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ARLINGTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76011</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Variable Forward Contract</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-05-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>0</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-05-05</value>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2008-05-05</value>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>147600</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On May 5, 2006, the Reporting Person entered into a variable forward contract (the &quot;Contract&quot;) with an unaffiliated securities brokerage firm. Under the terms of the Contract, the brokerage firm sold an aggregate of 149,700 shares of common stock of the Issuer (&quot;Common Stock&quot;) into the public market.
(continued in Note 2 below)</footnote>
        <footnote id="F2">(continued from Note 1 above)  The contract requires that on May 5, 2008 (the &quot;Settlement Date&quot;), the Reporting Person will deliver to the brokerage firm a number of shares of Common Stock (or at the election of the Reporting Person, the cash equivalent of such shares) as follows: (a) if the price of the Common Stock on the Settlement Date (&quot;Settlement Price&quot;) is less than $20.506 (&quot;Downside Protection Price&quot;), a delivery of 149,700 shares; (b) if the Settlement Price is equal to or greater than the Downside Protection Price but less than $30.76 (&quot;Upside Protection Price&quot;), a fraction equal to the Downside Protection Price divided by the Settlement Price; and (c) if the Settlement Price is greater than or equal to the Upside Protection Price, a fraction equal to 1 - (Upside Protection Price - Downside Protection Price) / Settlement Price. In consideration of the Contract, the Reporting Person received an advance of $2,504,915.13.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Alan Barron</signatureName>
        <signatureDate>2006-05-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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