2.2.0.25falsefalse1040 - Disclosure - ACQUISITIONStruefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010
USD ($)
USD ($) / shares
$D2010http://www.sec.gov/CIK0001065865duration2010-01-01T00:00:002010-12-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDPerShareDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2true0jns_AcquisitionDisclosureAbstractjnsfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse| 1falsefalsefalse00falsefalsefalsefalsefalse | Otherxbrli:stringItemTypestringNo definition available.falsefalse
3false0jns_BusinessAcquisitionsAndDispositionsDisclosureTextBlockjnsfalsenadurationDisclosure of all information related to any significant business acquisition and disposition completed during the period....falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel| 1falsefalsefalse00<table style="font-size:10pt; font-family:'Times New Roman',times,serif;">
<tr>
<td>
<p style="FONT-FAMILY: times"><font size="2"><b>NOTE 4 — ACQUISITIONS</b></font></p>
<p style="FONT-FAMILY: times"><font size="2"><i>INTECH </i></font></p>
<p style="FONT-FAMILY: times"><font size="2">JCG increased its ownership of INTECH with the following purchases (</font><font size="2"><i>in millions, except ownership %</i></font><font size="2">): </font></p>
<div style="PADDING-RIGHT: 0pt; PADDING-LEFT: 0pt; PADDING-BOTTOM: 0pt; MARGIN-LEFT: 20%; WIDTH: 60%; PADDING-TOP: 0pt; POSITION: relative">
<p style="FONT-FAMILY: times"><font size="2"><!-- COMMAND=ADD_TABLEWIDTH,"100%" --></font></p>
<!-- User-specified TAGGED TABLE -->
<div align="center">
<table cellspacing="0" cellpadding="0" width="100%" border="0">
<tr style="HEIGHT: 0px"><!-- TABLE COLUMN WIDTHS SET -->
<td style="FONT-FAMILY: times" align="left"></td>
<td style="FONT-FAMILY: times" width="12"></td>
<td style="FONT-FAMILY: times" align="right" width="7"></td>
<td style="FONT-FAMILY: times" width="82"></td>
<td style="FONT-FAMILY: times" width="12"></td>
<td style="FONT-FAMILY: times" align="right" width="7"></td>
<td style="FONT-FAMILY: times" width="72"></td>
<td style="FONT-FAMILY: times" width="12"></td><!-- TABLE COLUMN WIDTHS END --></tr>
<tr style="HEIGHT: 0px" valign="bottom">
<th style="FONT-FAMILY: times" nowrap="nowrap" align="left">
<div style="MARGIN-BOTTOM: 0pt; WIDTH: 59pt; BORDER-BOTTOM: #000000 1pt solid"><font size="1"><b>Acquisition Date <!-- COMMAND=ADD_SCROPPEDRULE,59pt --></b></font></div></th>
<th style="FONT-FAMILY: times"><font size="1"> </font></th>
<th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times" align="center" colspan="2"><font size="1"><b>Interest Acquired </b></font></th>
<th style="FONT-FAMILY: times"><font size="1"> </font></th>
<th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times" align="center" colspan="2"><font size="1"><b>Purchase Price </b></font></th>
<th style="FONT-FAMILY: times"><font size="1"> </font></th></tr>
<tr style="HEIGHT: 0px" valign="top" bgcolor="#CCEEFF">
<td style="FONT-FAMILY: times" valign="bottom">
<p style="MARGIN-LEFT: 10pt; TEXT-INDENT: -10pt; FONT-FAMILY: times"><font size="2">February 19, 2010</font></p></td>
<td style="FONT-FAMILY: times" valign="bottom"><font size="2"> </font></td>
<td style="FONT-FAMILY: times" valign="bottom"><font size="2"> </font></td>
<td style="FONT-FAMILY: times" valign="bottom" align="right"><font size="2">3</font></td>
<td style="FONT-FAMILY: times" valign="bottom"><font size="2">%</font></td>
<td style="FONT-FAMILY: times" valign="bottom" align="right"><font size="2">$</font></td>
<td style="FONT-FAMILY: times" valign="bottom" align="right"><font size="2">31.4</font></td>
<td style="FONT-FAMILY: times" valign="bottom"><font size="2"> </font></td></tr>
<tr style="HEIGHT: 0px" valign="top" bgcolor="white">
<td style="FONT-FAMILY: times" valign="bottom">
<p style="MARGIN-LEFT: 10pt; TEXT-INDENT: -10pt; FONT-FAMILY: times"><font size="2">April 30, 2009</font></p></td>
<td style="FONT-FAMILY: times" valign="bottom"><font size="2"> </font></td>
<td style="FONT-FAMILY: times" valign="bottom"><font size="2"> </font></td>
<td style="FONT-FAMILY: times" valign="bottom" align="right"><font size="2">3</font></td>
<td style="FONT-FAMILY: times" valign="bottom"><font size="2">%</font></td>
<td style="FONT-FAMILY: times" valign="bottom" align="right"><font size="2">$</font></td>
<td style="FONT-FAMILY: times" valign="bottom" align="right"><font size="2">25.3</font></td>
<td style="FONT-FAMILY: times" valign="bottom"><font size="2"> </font></td></tr></table></div>
<!-- end of user-specified TAGGED TABLE --></div>
<p style="FONT-FAMILY: times"><font size="2">The additional interest in INTECH acquired in 2010 and 2009 resulted in a reduction of redeemable noncontrolling interests on the Consolidated Balance Sheets in an amount equal to the purchase price.</font></p></td></tr></table>
NOTE 4 — ACQUISITIONS
INTECH
JCG increased its ownership of INTECH with the following purchases (in millions, except ownership %):
<!--falsefalsefalsefalsefalse | Otherus-types:textBlockItemTypestringDisclosure of all information related to any significant business acquisition and disposition completed during the period. Disclosure may include methodology and assumptions, including background, timing, and recognized assets and liabilities. This element may be used as a single block of text to encapsulate the entire disclosure (including data and tables).No authoritative reference available.falsefalse
12ACQUISITIONSUnKnownUnKnownUnKnownUnKnownfalsetrue