2.2.0.25falsefalse0509 - Disclosure - Income Taxes (Tables)truefalsefalse1falsefalseUSDfalsefalse1/1/2011 - 3/31/2011
USD ($)
USD ($) / shares
$Jan-01-2011_Mar-31-2011http://www.sec.gov/CIK0001037868duration2011-01-01T00:00:002011-03-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDEPSDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$2true0ame_IncomeTaxesTablesAbstractamefalsenadurationIncome Taxes.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringIncome Taxes.falsefalse3false0us-gaap_SummaryOfIncomeTaxContingenciesTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<!--DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" -->
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<td>
<div style="margin-left:15px; text-indent:-15px">Balance at December 31, 2010
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">22.8</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Additions for tax positions
</div></td>
<td> </td>
<td> </td>
<td align="right"><b>4.1</b></td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Reductions for tax positions
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<td> </td>
<td nowrap="nowrap" align="left"> </td>
<td align="right"><b>(1.1</b></td>
<td nowrap="nowrap"><b>)</b></td>
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<td>
<div style="margin-left:15px; text-indent:-15px"> 
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<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
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<td>
<div style="margin-left:15px; text-indent:-15px">Balance at March 31, 2011
</div></td>
<td> </td>
<td align="left"><b>$</b></td>
<td align="right"><b>25.8</b></td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
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<!-- Begin Block Tagged NotefalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringThe disclosure required for tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities (i.e., uncertain tax positions) and other types of income tax contingencies, including: (1) the policy on classification of interest and penalties; (2) a tabular reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period; the total amount(s) of: (3) unrecognized tax benefits that, if recognized, would affect the effective tax rate, and (4) interest and penalties recognized in each of the income statement and balance sheet; (5) for positions for which it is reasonably possible that the total amounts unrecognized will significantly change within 12 months of the reporting date the: (i) nature of the uncertainty, (ii) nature of the event that could occur that would cause the change, and (iii) an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made; and (6) a description of tax years that remain subject to examination by major tax jurisdictions.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 48
-Paragraph 21
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