<?xml version="1.0" encoding="us-ascii"?><InstanceReport xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><Version>2.2.0.25</Version><hasSegments>false</hasSegments><hasScenarios>false</hasScenarios><ReportLongName>30303 - Disclosure - Earnings Per Common Share (Tables)</ReportLongName><DisplayLabelColumn>true</DisplayLabelColumn><ShowElementNames>false</ShowElementNames><RoundingOption /><HasEmbeddedReports>false</HasEmbeddedReports><Columns><Column><Id>1</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelColumn>false</LabelColumn><CurrencyCode>USD</CurrencyCode><FootnoteIndexer /><hasSegments>false</hasSegments><hasScenarios>false</hasScenarios><MCU><KeyName>1/1/2011 - 3/31/2011
USD ($)

USD ($) / shares

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&lt;tr&gt;&lt;td width="75%"&gt; &lt;/td&gt;
&lt;td valign="bottom" width="6%"&gt; &lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td valign="bottom" width="6%"&gt; &lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="6" align="center"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="1"&gt;&lt;b&gt;Three&amp;nbsp;months&amp;nbsp;ended&lt;/b&gt;&lt;/font&gt;&lt;br /&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="1"&gt;&lt;b&gt;March&amp;nbsp; 31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="1"&gt;&lt;b&gt;2011&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="1"&gt;&lt;b&gt;2010&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" colspan="6" align="center"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="1"&gt;&lt;b&gt;(Dollars&amp;nbsp;in&amp;nbsp;millions&amp;nbsp;except&amp;nbsp;per&lt;br /&gt;share&amp;nbsp;amounts,&amp;nbsp;shares&amp;nbsp;in&amp;nbsp;thousands)&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td valign="top"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr bgcolor="#bcddf7"&gt;&lt;td valign="top"&gt;

&lt;p style="text-indent: -1em; margin-left: 1em;"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;Net income allocated to common shareholders&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;211&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;38&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font-size: 1px;"&gt;&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt;&amp;nbsp;&amp;nbsp;&lt;/td&gt;
&lt;td style="border-top: #000000 3px double;" valign="bottom"&gt;&amp;nbsp;&lt;/td&gt;
&lt;td style="border-top: #000000 3px double;" valign="bottom"&gt;&amp;nbsp;&lt;/td&gt;
&lt;td&gt;&amp;nbsp;&lt;/td&gt;
&lt;td valign="bottom"&gt;&amp;nbsp;&amp;nbsp;&lt;/td&gt;
&lt;td style="border-top: #000000 3px double;" valign="bottom"&gt;&amp;nbsp;&lt;/td&gt;
&lt;td style="border-top: #000000 3px double;" valign="bottom"&gt;&amp;nbsp;&lt;/td&gt;
&lt;td&gt;&amp;nbsp;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td valign="top"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr bgcolor="#bcddf7"&gt;&lt;td valign="top"&gt;

&lt;p style="text-indent: -1em; margin-left: 1em;"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;Basic weighted average shares outstanding&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;1,761,149&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;1,719,148&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td valign="top"&gt;

&lt;p style="text-indent: -1em; margin-left: 1em;"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;Dilutive effect of options with strike prices equal to or less than the average price of our common stock during the period, calculated using the treasury stock method&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;11,191&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;2,412&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr bgcolor="#bcddf7"&gt;&lt;td valign="top"&gt;

&lt;p style="text-indent: -1em; margin-left: 1em;"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;Dilutive effect of performance shares&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;3,389&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;17,845&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font-size: 1px;"&gt;&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt;&amp;nbsp;&amp;nbsp;&lt;/td&gt;
&lt;td style="border-top: #000000 1px solid;" valign="bottom"&gt;&amp;nbsp;&lt;/td&gt;
&lt;td style="border-top: #000000 1px solid;" valign="bottom"&gt;&amp;nbsp;&lt;/td&gt;
&lt;td&gt;&amp;nbsp;&lt;/td&gt;
&lt;td valign="bottom"&gt;&amp;nbsp;&amp;nbsp;&lt;/td&gt;
&lt;td style="border-top: #000000 1px solid;" valign="bottom"&gt;&amp;nbsp;&lt;/td&gt;
&lt;td style="border-top: #000000 1px solid;" valign="bottom"&gt;&amp;nbsp;&lt;/td&gt;
&lt;td&gt;&amp;nbsp;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td valign="top"&gt;

&lt;p style="text-indent: -1em; margin-left: 1em;"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;Diluted weighted average shares outstanding&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;1,775,729&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;1,739,405&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="font-size: 1px;"&gt;&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt;&amp;nbsp;&amp;nbsp;&lt;/td&gt;
&lt;td style="border-top: #000000 3px double;" valign="bottom"&gt;&amp;nbsp;&lt;/td&gt;
&lt;td style="border-top: #000000 3px double;" valign="bottom"&gt;&amp;nbsp;&lt;/td&gt;
&lt;td&gt;&amp;nbsp;&lt;/td&gt;
&lt;td valign="bottom"&gt;&amp;nbsp;&amp;nbsp;&lt;/td&gt;
&lt;td style="border-top: #000000 3px double;" valign="bottom"&gt;&amp;nbsp;&lt;/td&gt;
&lt;td style="border-top: #000000 3px double;" valign="bottom"&gt;&amp;nbsp;&lt;/td&gt;
&lt;td&gt;&amp;nbsp;&lt;/td&gt;&lt;/tr&gt;
&lt;tr bgcolor="#bcddf7"&gt;&lt;td valign="top"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td valign="top"&gt;

&lt;p style="text-indent: -1em; margin-left: 1em;"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;Earnings per common share:&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;
&lt;td valign="bottom"&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr bgcolor="#bcddf7"&gt;&lt;td valign="top"&gt;

&lt;p style="text-indent: -1em; margin-left: 2em;"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;Basic&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;0.12&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;0.02&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td valign="top"&gt;

&lt;p style="text-indent: -1em; margin-left: 2em;"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;Diluted&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;0.12&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;0.02&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;/div&gt;</NonNumbericText><NonNumericTextHeader>&amp;nbsp;
&amp;nbsp;&amp;nbsp;
Three&amp;nbsp;months&amp;nbsp;endedMarch&amp;nbsp;</NonNumericTextHeader><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat><hasSegments>false</hasSegments><hasScenarios>false</hasScenarios></Cell></Cells><OriginalInstanceReportColumns /><Unit>Other</Unit><ElementDataType>us-types:textBlockItemType</ElementDataType><SimpleDataType>string</SimpleDataType><ElementDefenition>Reconciliation of Earnings Per Share</ElementDefenition><ElementReferences>No authoritative reference available.</ElementReferences><IsTotalLabel>false</IsTotalLabel><IsEPS>false</IsEPS><Label>Reconciliation of Earnings Per Share</Label></Row><Row><Id>4</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><Level>0</Level><ElementName>us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock</ElementName><ElementPrefix>us-gaap</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><ShortDefinition>No definition available.</ShortDefinition><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsSubReportEnd>false</IsSubReportEnd><IsCalendarTitle>false</IsCalendarTitle><IsTuple>false</IsTuple><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><PreferredLabelRole /><FootnoteIndexer /><Cells><Cell><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;div&gt; &lt;table border="0" cellspacing="0" cellpadding="0" width="100%" align="center"&gt;
&lt;tr&gt;&lt;td width="83%"&gt; &lt;/td&gt;
&lt;td valign="bottom" width="3%"&gt; &lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td valign="bottom" width="3%"&gt; &lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt; &lt;/td&gt;
&lt;td&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="6" align="center"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="1"&gt;&lt;b&gt;Three&amp;nbsp;months&amp;nbsp;ended&lt;br /&gt;March&amp;nbsp;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="1"&gt;&lt;b&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;2011&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="1"&gt;&lt;b&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;2010&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" colspan="6" align="center"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="1"&gt;&lt;b&gt;(Shares&amp;nbsp;in&amp;nbsp;thousands)&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr bgcolor="#bcddf7"&gt;&lt;td valign="top"&gt;

&lt;p style="text-indent: -1em; margin-left: 1em;"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;Outstanding options to purchase common stock excluded because the strike prices of the options exceeded the average price of common stock during the period&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;5,307&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;43,595&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td valign="top"&gt;

&lt;p style="text-indent: -1em; margin-left: 1em;"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;Outstanding options to purchase common stock excluded because the market-based vesting conditions were not met&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;2,083&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;2,083&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr bgcolor="#bcddf7"&gt;&lt;td valign="top"&gt;

&lt;p style="text-indent: -1em; margin-left: 1em;"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;Other outstanding instruments excluded because the impact would have been antidilutive&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;8&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font class="_mt" size="1"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" align="right"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;209&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="font-family: Times New Roman;" class="_mt" size="2"&gt;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;/div&gt;</NonNumbericText><NonNumericTextHeader>&amp;nbsp;
&amp;nbsp;&amp;nbsp;
Three&amp;nbsp;months&amp;nbsp;endedMarch&amp;nbsp;31,
&amp;nbsp;
&amp;nbsp;
&amp;nbsp;&amp;nbsp;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;2011&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;
&amp;nbsp;
&amp;nbsp;&amp;nbs</NonNumericTextHeader><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat><hasSegments>false</hasSegments><hasScenarios>false</hasScenarios></Cell></Cells><OriginalInstanceReportColumns /><Unit>Other</Unit><ElementDataType>us-types:textBlockItemType</ElementDataType><SimpleDataType>string</SimpleDataType><ElementDefenition>This element may be used to capture the complete disclosure for securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by Antidilutive Securities.</ElementDefenition><ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 128
 -Paragraph 40
 -Subparagraph c

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