2.2.0.25falsefalse0213 - Disclosure - Equitytruefalsefalse1falsefalseUSDfalsefalse1/1/2011 - 4/1/2011 USD ($) USD ($) / shares $ThreeMonthsEnded_01Apr2011http://www.sec.gov/CIK0001056239duration2011-01-01T00:00:002011-04-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDEPSDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2true0us-gaap_EquityAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseEquity [Abstract]3false0lll_EquityNoteDisclosureTextBlocklllfalsenadurationDisclosures include the authorization and status of L-3 Holdings share repurchase program, the remaining dollar value of the...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00  <div style="margin-left: 0%"> <div style="margin-top: 12pt; font-size: 1pt">  </div> <table width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: transparent; text-align: left"> <tr> <td width="3%"></td> <td width="97%"></td> </tr> <tr valign="top"> <td> <b><font style="font-family: 'Times New Roman', Times">13. </font></b> </td> <td> <b><font style="font-family: 'Times New Roman', Times">Equity</font></b> </td> </tr> </table> <div style="margin-top: 6pt; font-size: 1pt">  </div> <div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 2%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"> Repurchases of L-3 Holdings common stock under the share repurchase programs, approved by the Board of Directors, are made from time to time at management’s discretion in accordance with applicable U.S. federal securities laws in the open market or otherwise. All share repurchases of L-3 Holdings common stock have been recorded as treasury shares. At April 1, 2011, the remaining dollar value under the $1 billion share repurchase program approved by L-3 Holdings’ Board of Directors on July 14, 2010 was $387 million. On April 26, 2011, L-3 Holdings’ Board of Directors approved a new share repurchase program that authorizes L-3 Holdings to repurchase up to an additional $1.5 billion of its outstanding shares of common stock through April 30, 2013. </div>  </div>   <div style="margin-left: 0%">  <div align="center" style="margin-left: 0%; margin-right: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: transparent"> <b> <font style="font-family: 'Times New Roman', Times"> </font> </b> </div>  <div style="margin-top: 6pt; font-size: 1pt">  </div> <div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 2%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"> From April 2, 2011 through May 4, 2011, L-3 Holdings repurchased 1,453,238 shares of its common stock at an average price of $78.16 per share for an aggregate amount of $114 million. </div> <div style="margin-top: 6pt; font-size: 1pt">  </div> <div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 2%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent"> On April 26, 2011, L-3 Holdings’ Board of Directors declared a quarterly cash dividend of $0.45 per share, payable on June 15, 2011 to shareholders of record at the close of business on May 17, 2011. </div> </div>  <!-- Begin Block Tagged NotefalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDisclosures include the authorization and status of L-3 Holdings share repurchase program, the remaining dollar value of the repurchase program and the shares repurchased subsequent to year end through the date of the 10-K filing.No authoritative reference available.falsefalseEquity12EquityUnKnownUnKnownUnKnownUnKnownfalsetrue