2.2.0.25falsefalse006090 - Disclosure - Fair Value of Financial Instrumentstruefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010 USD ($) USD ($) / shares $c00030http://www.sec.gov/CIK0000078890duration2010-01-01T00:00:002010-12-31T00:00:00u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170u002Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0u001Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2true0bco_NotesToFinancialStatementsAbstractbcofalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseNotes to Financial Statements [Abstract]3false0us-gaap_FairValueMeasurementInputsDisclosureTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00<div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Note 9 - Fair Value of Financial Instruments</div></div><div style="DISPLAY: block; TEXT-INDENT: 0pt"> </div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Investments in Available-for-sale Securities</div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">We have available-for-sale securities that are carried at fair value in the financial statements.  For these investments, fair value was estimated based on quoted prices categorized as a Level 1 valuation, except for non-U.S. debt securities. These securities have been valued using a discounted cash flow methodology using yields and discount rates based on management's best estimate of rates that would approximate those that a market participant would use.  Due to the high level of judgment involved in this valuation, we have categorized these investments as Level 3.</div><div style="DISPLAY: block; TEXT-INDENT: 0pt"> </div><div align="left"><table cellspacing="0" cellpadding="0" width="100%"><tr><td style="PADDING-BOTTOM: 2px" valign="bottom">  </td><td style="PADDING-BOTTOM: 2px" valign="bottom"> </td><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" colspan="6"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">December 31,</div></td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td></tr><tr><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" align="left"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">(In millions)</div></td><td style="PADDING-BOTTOM: 2px" valign="bottom"> </td><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" colspan="2"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">2010</div></td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td><td style="PADDING-BOTTOM: 2px" valign="bottom"> </td><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" colspan="2"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">2009</div></td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td></tr><tr bgcolor="#cceeff"><td valign="bottom">  </td><td valign="bottom"> </td><td valign="bottom" colspan="2"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td><td valign="bottom"> </td><td valign="bottom" colspan="2"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td></tr><tr bgcolor="white"><td valign="bottom" align="left"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Cost</div></td><td valign="bottom"> </td><td valign="bottom" colspan="2"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td><td valign="bottom"> </td><td valign="bottom" colspan="2"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td></tr><tr bgcolor="#cceeff"><td valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Mutual funds</div></td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%">$</td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">16.9</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">15.0</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="white"><td valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Non-U.S. debt securities</div></td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">3.6</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">3.7</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="#cceeff"><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Equity securities</div></td><td style="PADDING-BOTTOM: 2px" valign="bottom" align="left" width="1%"> </td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right" valign="bottom" width="9%">3.7</td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td style="PADDING-BOTTOM: 2px" valign="bottom" align="left" width="1%"> </td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right" valign="bottom" width="9%">0.2</td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="white"><td valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Total</div></td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%">$</td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">24.2</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">18.9</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="#cceeff"><td valign="bottom" width="76%">  </td><td valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="white"><td valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Gross Unrealized Gains</div></td><td valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="#cceeff"><td valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Mutual funds</div></td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%">$</td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">3.4</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">2.6</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="white"><td valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Non-U.S. debt securities</div></td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">-</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">-</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="#cceeff"><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Equity securities</div></td><td style="PADDING-BOTTOM: 2px" valign="bottom" align="left" width="1%"> </td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right" valign="bottom" width="9%">2.2</td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td style="PADDING-BOTTOM: 2px" valign="bottom" align="left" width="1%"> </td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right" valign="bottom" width="9%">1.8</td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="white"><td valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Total</div></td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%">$</td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">5.6</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">4.4</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="#cceeff"><td valign="bottom" width="76%">  </td><td valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="white"><td valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Gross Unrealized Losses</div></td><td valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="#cceeff"><td valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Mutual funds</div></td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%">$</td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">-</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">-</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="white"><td valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Non-U.S. debt securities</div></td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">(0.2</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">(0.6</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td></tr><tr bgcolor="#cceeff"><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Equity securities</div></td><td style="PADDING-BOTTOM: 2px" valign="bottom" align="left" width="1%"> </td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right" valign="bottom" width="9%">-</td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td style="PADDING-BOTTOM: 2px" valign="bottom" align="left" width="1%"> </td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right" valign="bottom" width="9%">-</td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="white"><td valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Total</div></td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%">$</td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">(0.2</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">(0.6</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td></tr><tr bgcolor="#cceeff"><td valign="bottom" width="76%">  </td><td valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="white"><td valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Fair Value</div></td><td valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="#cceeff"><td valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Mutual funds</div></td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%">$</td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">20.3</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">17.6</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="white"><td valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Non-U.S. debt securities</div></td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">3.4</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">3.1</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="#cceeff"><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Equity securities</div></td><td style="PADDING-BOTTOM: 2px" valign="bottom" align="left" width="1%"> </td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right" valign="bottom" width="9%">5.9</td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td style="PADDING-BOTTOM: 2px" valign="bottom" align="left" width="1%"> </td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: right" valign="bottom" width="9%">2.0</td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="white"><td style="BORDER-BOTTOM: black 4px double" valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Total</div></td><td style="PADDING-BOTTOM: 4px" valign="bottom" align="left" width="1%"> </td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left" valign="bottom" width="1%">$</td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right" valign="bottom" width="9%">29.6</td><td style="PADDING-BOTTOM: 4px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td style="PADDING-BOTTOM: 4px" valign="bottom" align="left" width="1%"> </td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right" valign="bottom" width="9%">22.7</td><td style="PADDING-BOTTOM: 4px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr></table></div><div style="DISPLAY: block; TEXT-INDENT: 0pt"> </div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">The table below presents a reconciliation for investments measured and recognized at fair value on a recurring basis using significant unobservable inputs (Level 3):</div><div style="DISPLAY: block; TEXT-INDENT: 0pt"> </div><div align="left"><table cellspacing="0" cellpadding="0" width="100%"><tr><td style="BORDER-BOTTOM: black 2px solid" valign="bottom">  </td><td style="PADDING-BOTTOM: 2px" valign="bottom"> </td><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" colspan="6"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">December 31,</div></td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td></tr><tr><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" align="left"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">(In millions)</div></td><td style="PADDING-BOTTOM: 2px" valign="bottom"> </td><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" colspan="2"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">2010</div></td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td><td style="PADDING-BOTTOM: 2px" valign="bottom"> </td><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" colspan="2"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">2009</div></td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td></tr><tr bgcolor="#cceeff"><td valign="bottom">  </td><td valign="bottom"> </td><td valign="bottom" colspan="2"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td><td valign="bottom"> </td><td valign="bottom" colspan="2"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td></tr><tr bgcolor="white"><td valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Beginning balance</div></td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%">$</td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">3.1</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">-</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="#cceeff"><td valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 9pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Total realized and unrealized gains (losses) included in other comprehensive income (loss)</div></td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">0.3</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">(0.6</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%">)</td></tr><tr bgcolor="white"><td valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 9pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Purchases, sales and settlements, net</div></td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">-</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td valign="bottom" align="left" width="1%"> </td><td style="TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="TEXT-ALIGN: right" valign="bottom" width="9%">3.7</td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr><tr bgcolor="#cceeff"><td style="BORDER-BOTTOM: black 4px double" valign="bottom" align="left" width="76%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Ending balance</div></td><td style="PADDING-BOTTOM: 4px" valign="bottom" align="left" width="1%"> </td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left" valign="bottom" width="1%">$</td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right" valign="bottom" width="9%">3.4</td><td style="PADDING-BOTTOM: 4px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td style="PADDING-BOTTOM: 4px" valign="bottom" align="left" width="1%"> </td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right" valign="bottom" width="9%">3.1</td><td style="PADDING-BOTTOM: 4px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr></table></div><div style="DISPLAY: block; TEXT-INDENT: 0pt"> </div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Fixed-Rate Debt</div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Fair value estimates of our obligation related to the fixed-rate Dominion Terminal Associates ("DTA") bonds are based on quoted prices. The fair value and carrying value of our DTA bonds are as follows:</div><div style="DISPLAY: block; TEXT-INDENT: 0pt"> </div><div align="left"><table cellspacing="0" cellpadding="0" width="100%"><tr><td valign="bottom">  </td><td valign="bottom"> </td><td valign="bottom" colspan="6"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">December 31,</div></td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td><td valign="bottom"> </td><td valign="bottom" colspan="6"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">December 31,</div></td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td></tr><tr><td style="BORDER-BOTTOM: black 2px solid" valign="bottom">  </td><td style="PADDING-BOTTOM: 2px" valign="bottom"> </td><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" colspan="6"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">2010</div></td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td><td style="PADDING-BOTTOM: 2px" valign="bottom"> </td><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" colspan="6"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">2009</div></td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td></tr><tr><td style="BORDER-BOTTOM: black 2px solid" valign="bottom"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">(In millions)</div></td><td style="PADDING-BOTTOM: 2px" valign="bottom"> </td><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" colspan="2"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">Fair Value</div></td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td><td style="PADDING-BOTTOM: 2px" valign="bottom"> </td><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" colspan="2"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">Carrying Value</div></td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td><td style="PADDING-BOTTOM: 2px" valign="bottom"> </td><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" colspan="2"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">Fair Value</div></td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td><td style="PADDING-BOTTOM: 2px" valign="bottom"> </td><td style="BORDER-BOTTOM: black 2px solid" valign="bottom" colspan="2"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">Carrying Value</div></td><td style="PADDING-BOTTOM: 2px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td></tr><tr bgcolor="#cceeff"><td valign="bottom">  </td><td valign="bottom"> </td><td valign="bottom" colspan="2"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td><td valign="bottom"> </td><td valign="bottom" colspan="2"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td><td valign="bottom"> </td><td valign="bottom" colspan="2"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td><td valign="bottom"> </td><td valign="bottom" colspan="2"> </td><td style="TEXT-ALIGN: left" valign="bottom" nowrap="nowrap"> </td></tr><tr bgcolor="white"><td style="BORDER-BOTTOM: black 4px double" valign="bottom" width="52%"><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">DTA bonds</div></td><td style="PADDING-BOTTOM: 4px" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left" valign="bottom" width="1%">$</td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right" valign="bottom" width="9%">42.9</td><td style="PADDING-BOTTOM: 4px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td style="PADDING-BOTTOM: 4px" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right" valign="bottom" width="9%">43.2</td><td style="PADDING-BOTTOM: 4px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td style="PADDING-BOTTOM: 4px" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right" valign="bottom" width="9%">42.7</td><td style="PADDING-BOTTOM: 4px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td><td style="PADDING-BOTTOM: 4px" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: left" valign="bottom" width="1%"> </td><td style="BORDER-BOTTOM: black 4px double; TEXT-ALIGN: right" valign="bottom" width="9%">43.2</td><td style="PADDING-BOTTOM: 4px; TEXT-ALIGN: left" valign="bottom" nowrap="nowrap" width="1%"> </td></tr></table></div><div style="DISPLAY: block; TEXT-INDENT: 0pt"> </div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Other Financial Instruments</div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">Other financial instruments include cash and cash equivalents, short-term fixed rate deposits, accounts receivable, floating rate debt, accounts payable and accrued liabilities.  The financial statement carrying amounts of these items approximate the fair value due to their short-term nature.</div></div>Note 9 - Fair Value of Financial InstrumentsInvestments in Available-for-sale SecuritiesWe have available-for-sale securities that are carried at fair value infalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringThis element represents the disclosure related to the fair value measurement of assets and liabilities which includes [financial] instruments measured at fair value that are classified in stockholders' equity. Such assets and liabilities may be measured on a recurring or nonrecurring basis. The disclosures which may be required or desired include: (1) for assets and liabilities measured on a recurring basis, disclosure may include: (a) the fair value measurements at the reporting date; (b) the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets or liabilities (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3); (c) for fair value measurements using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (i) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (ii) purchases, sales, issuances, and settlements (net); (iii) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs); (d) the amount of the total gains or losses for the period in subparagraph (c) (i) above included in earnings (or changes in net assets) that are attributable to the change in unrealized gains or losses relating to those assets and liabilities still held at the reporting date and a description of where those unrealized gains or losses are reported in the statement of income (or activities); (e) the valuation technique(s) used to measure fair value and a discussion of changes in valuation techniques, if any, during the period and (2) for assets and liabilities that are measured at fair value on a nonrecurring basis (for example, impaired assets) disclosure may include, in addition to (a) above: (a) the reasons for the fair value measurements recorded; (b) the same as (b) above; (c) for fair value measurements using significant unobservable inputs (Level 3), a description of the inputs and the information used to develop the inputs; and (d) the valuation technique(s) used to measure fair value and a discussion of changes, if any, in the valuation technique(s) used to measure similar assets and/or liabilities in prior periods.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 33 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 6 -Footnote 4 falsefalseFair value of financial instruments12Fair Value of Financial InstrumentsUnKnownUnKnownUnKnownUnKnownfalsetrue