1.0.0.3falseFINANCIAL INSTRUMENTSfalse1$falsefalseiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0sharesStandardhttp://www.xbrl.org/2003/instanceshares053us-gaap_FairValueDisclosuresTextBlockus-gaaptruenadurationstringNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalse00<div>
<p style="MARGIN-TOP: 18px; MARGIN-BOTTOM: 0px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>NOTE
17:  FINANCIAL INSTRUMENTS</b></font></p>
<p style="MARGIN-TOP: 6px; TEXT-INDENT: 4%; MARGIN-BOTTOM: 0px">
<font style="FONT-FAMILY: Times New Roman" size="2">As of
December 31, 2009 and 2008, the carrying amounts of accounts
receivable and accounts payable are representative of fair value
because of their short-term nature. The carrying amounts and
estimated fair values of long-term debt, including long-term debt
due within one year, at December 31 were as
follows:</font></p>
<p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px; FONT-SIZE: 12px">
 </p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" align="center">
<tr>
<td width="64%"></td>
<td valign="bottom" width="3%"></td>
<td></td>
<td></td>
<td valign="bottom" width="3%"></td>
<td></td>
<td></td>
<td valign="bottom" width="3%"></td>
<td></td>
<td></td>
<td valign="bottom" width="3%"></td>
<td></td>
<td></td>
</tr>
<tr>
<td valign="bottom"><font size="1"> </font></td>
<td valign="bottom"><font size="1">  </font></td>
<td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="5" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2009</b></font></td>
<td valign="bottom"><font size="1">  </font></td>
<td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="5" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2008</b></font></td>
</tr>
<tr>
<td valign="bottom" nowrap="nowrap">
<p style="BORDER-BOTTOM: #000000 1px solid; WIDTH: 41pt">
<font style="FONT-FAMILY: Times New Roman" size="1"><b>(In
millions)</b></font></p>
</td>
<td valign="bottom"><font size="1">  </font></td>
<td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Carrying<br />
Amount</b></font></td>
<td valign="bottom"><font size="1">  </font></td>
<td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Fair<br />
Value</b></font></td>
<td valign="bottom"><font size="1">  </font></td>
<td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Carrying<br />
Amount</b></font></td>
<td valign="bottom"><font size="1">  </font></td>
<td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Fair<br />
Value</b></font></td>
</tr>
<tr bgcolor="#CCEEFF">
<td valign="top">
<p style="TEXT-INDENT: -1em; MARGIN-LEFT: 1em"><font style="FONT-FAMILY: Times New Roman" size="2">Long-term debt</font></p>
</td>
<td valign="bottom"><font size="1">  </font></td>
<td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
<td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">4,557.8</font></td>
<td valign="bottom"><font size="1">  </font></td>
<td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
<td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">4,729.1</font></td>
<td valign="bottom"><font size="1">  </font></td>
<td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
<td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">4,209.8</font></td>
<td valign="bottom"><font size="1">  </font></td>
<td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
<td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3,951.7</font></td>
</tr>
</table>
<p style="MARGIN-TOP: 12px; TEXT-INDENT: 4%; MARGIN-BOTTOM: 0px">
<font style="FONT-FAMILY: Times New Roman" size="2">The fair value
of long-term debt was estimated based on actual market prices or
market prices of similar debt issues.</font></p>
<p style="MARGIN-TOP: 12px; TEXT-INDENT: 4%; MARGIN-BOTTOM: 0px">
<font style="FONT-FAMILY: Times New Roman" size="2">Allegheny also
has certain assets and liabilities that are recorded at fair value
relating to pension plan assets and derivative instruments. See
Note 11, “Pension Benefits and Postretirement Benefits Other
Than Pensions” and Note 13, “Fair Value Measurements,
Derivative Instruments and Hedging Activities,” for
additional information.</font></p>
</div>NOTE
17:  FINANCIAL INSTRUMENTS
As of
December 31, 2009 and 2008, the carrying amounts of accounts
receivable and accounts payable arefalsefalseNo definition available.No authoritative reference available.falsefalse11falseUnKnownUnKnownUnKnownfalsetrue