2.2.0.25falsefalse0209 - Disclosure - Stock-Based Compensationtruefalsefalse1falsefalseUSDfalsefalse1/1/2011 - 3/31/2011
USD ($)
USD ($) / shares
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<!-- Begin Block Tagged Note 9 - us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock-->
<div style="font-family: 'Times New Roman',Times,serif">
<div align="left" style="font-size: 10pt; margin-top: 12pt"><b>9. STOCK-BASED COMPENSATION</b>
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     At March 31, 2011 and December 31, 2010, we had equity-based employee incentive plans, which
are described more fully in Note 11 in the 2010 Form 10-K, and in the Definitive Proxy Statement
for our 2011 Annual Meeting of Stockholders.
</div>
<!-- Folio -->
<!-- /Folio -->
</div>
<!-- PAGEBREAK -->
<div style="font-family: 'Times New Roman',Times,serif">
<div align="left" style="font-size: 10pt; margin-top: 6pt">     Stock-based compensation expense for the three months ended March 31, 2011 and 2010 was as
follows:
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="76%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="6"><b>Three Months Ended</b></td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="6" style="border-bottom: 1px solid #000000"><b>March 31,</b></td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>2011</b></td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"><b>2010</b></td>
<td> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="6"><b>(in millions)</b></td>
<td> </td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Cost of revenue
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">1.0</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">—</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Research and development
</div></td>
<td> </td>
<td> </td>
<td align="right">2.0</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">2.8</td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Selling, general and administrative
</div></td>
<td> </td>
<td> </td>
<td align="right">11.7</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">4.3</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: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td align="left">$</td>
<td align="right">14.7</td>
<td> </td>
<td> </td>
<td align="left">$</td>
<td align="right">7.1</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>
<td> </td>
<td> </td>
<td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     For the three months ended March 31, 2011 and 2010, tax deductions related to stock-based
compensation expense were not recognized because of the availability of net operating losses, and
therefore no such financing cash flows were reported.
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     The fair value of stock-based awards was estimated at the date of grant using the BSM model
with the following weighted average assumptions for the three months ended March 31:
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="52%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="7"><b>Employee Stock Options</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="7"><b>Employee Stock Purchase Plan</b></td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="7"><b>For the three months ended</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="7"><b>For the three months ended</b></td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="7" style="border-bottom: 1px solid #000000"><b>March 31,</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="7" style="border-bottom: 1px solid #000000"><b>March 31,</b></td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 1px solid #000000"><b>2011</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 1px solid #000000"><b>2010</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 1px solid #000000"><b>2011</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 1px solid #000000"><b>2010</b></td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Weighted average estimated fair value
</div></td>
<td> </td>
<td align="right">$</td>
<td align="right">22.16</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">17.83</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">12.21</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">16.47</td>
<td> </td>
</tr>
<tr valign="bottom"><!-- Blank Space -->
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px"><b>Weighted Average Assumptions</b>
</div></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Dividend yield (A)
</div></td>
<td> </td>
<td nowrap="nowrap" align="right"> </td>
<td align="right">0.0</td>
<td nowrap="nowrap">%</td>
<td> </td>
<td nowrap="nowrap" align="right"> </td>
<td align="right">0.0</td>
<td nowrap="nowrap">%</td>
<td> </td>
<td nowrap="nowrap" align="right"> </td>
<td align="right">0.0</td>
<td nowrap="nowrap">%</td>
<td> </td>
<td nowrap="nowrap" align="right"> </td>
<td align="right">0.0</td>
<td nowrap="nowrap">%</td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Expected volatility (B)
</div></td>
<td> </td>
<td nowrap="nowrap" align="right"> </td>
<td align="right">76</td>
<td nowrap="nowrap">%</td>
<td> </td>
<td nowrap="nowrap" align="right"> </td>
<td align="right">79</td>
<td nowrap="nowrap">%</td>
<td> </td>
<td nowrap="nowrap" align="right"> </td>
<td align="right">46</td>
<td nowrap="nowrap">%</td>
<td> </td>
<td nowrap="nowrap" align="right"> </td>
<td align="right">141</td>
<td nowrap="nowrap">%</td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Risk-free interest rate (C)
</div></td>
<td> </td>
<td nowrap="nowrap" align="right"> </td>
<td align="right">2.24</td>
<td nowrap="nowrap">%</td>
<td> </td>
<td nowrap="nowrap" align="right"> </td>
<td align="right">2.08</td>
<td nowrap="nowrap">%</td>
<td> </td>
<td nowrap="nowrap" align="right"> </td>
<td align="right">0.05</td>
<td nowrap="nowrap">%</td>
<td> </td>
<td nowrap="nowrap" align="right"> </td>
<td align="right">0.45</td>
<td nowrap="nowrap">%</td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Expected term (D)
</div></td>
<td> </td>
<td colspan="3" nowrap="nowrap" align="center">5.0 years</td>
<td> </td>
<td colspan="3" nowrap="nowrap" align="center">4.4 years</td>
<td> </td>
<td colspan="3" nowrap="nowrap" align="center">1.2 years</td>
<td> </td>
<td colspan="3" nowrap="nowrap" align="center">1.0 years</td>
</tr>
<!-- End Table Body -->
</table>
</div>
<div align="left">
<div style="font-size: 3pt; margin-top: 16pt; width: 18%; border-top: 1px solid #000000"> 
</div>
</div>
<table width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; text-align: left">
<tr>
<td width="3%"></td>
<td width="1%"></td>
<td width="96%"></td>
</tr>
<tr valign="top">
<td nowrap="nowrap" align="left">(A)</td>
<td> </td>
<td>We have not paid dividends in the past and do not plan to pay dividends in the near future.</td>
</tr>
<tr style="font-size: 3pt">
<td> </td>
</tr>
<tr valign="top">
<td nowrap="nowrap" align="left">(B)</td>
<td> </td>
<td>The expected stock price volatility for the three months ended March 31, 2011 is based on the
weighted average of the historical volatility of our stock. The expected stock price
volatility for the three months ended March 31, 2010 is based on the weighted average of the
historical volatility of our stock and the volatilities of certain peer companies.</td>
</tr>
<tr style="font-size: 3pt">
<td> </td>
</tr>
<tr valign="top">
<td nowrap="nowrap" align="left">(C)</td>
<td> </td>
<td>The risk-free interest rate is based on the implied yield available on U.S. Treasury
zero-coupon issues with a term equal to the expected life of the award on the date of grant.</td>
</tr>
<tr style="font-size: 3pt">
<td> </td>
</tr>
<tr valign="top">
<td nowrap="nowrap" align="left">(D)</td>
<td> </td>
<td>The expected term of the options for the quarter ended March 31, 2011 represents the
estimated period of time until exercise and is based on the weighted average of the historical
experience of similar awards, giving consideration to the contractual terms, vesting schedules
and expectations of future employee behavior, and the expected terms of certain peer
companies. The expected term of the options for the quarter ended March 31, 2010 represents
the estimated period of time until exercise and is based on historical experience of similar
awards, giving consideration to the contractual terms, vesting schedules and expectations of
future
employee behavior. The expected term of awards under the employee stock purchase plan represents
the weighted average purchase periods of each offering.</td>
</tr>
</table>
<!-- Folio -->
<!-- /Folio -->
</div>
<!-- PAGEBREAK -->
<div style="font-family: 'Times New Roman',Times,serif">
<div align="left" style="font-size: 10pt; margin-top: 6pt">     The following table summarizes our stock option activity during the three months ended March
31, 2011:
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="52%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Weighted-</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Weighted-</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Average</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Average</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Remaining</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Shares</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Exercise</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Contractual</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Under</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Price per</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Life (in</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Aggregate</b></td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 1px solid #000000"><b>Option</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 1px solid #000000"><b>Share</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 1px solid #000000"><b>years)</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 1px solid #000000"><b>Intrinsic Value</b></td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Outstanding at January 1
</div></td>
<td> </td>
<td> </td>
<td align="right">2,672,972</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">23.78</td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Granted
</div></td>
<td> </td>
<td> </td>
<td align="right">564,033</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">35.65</td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Exercised
</div></td>
<td> </td>
<td nowrap="nowrap" align="right"> </td>
<td align="right">(144,750</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">9.16</td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Forfeited and expired
</div></td>
<td> </td>
<td nowrap="nowrap" align="right"> </td>
<td align="right">(76,568</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">36.42</td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Outstanding at March 31
</div></td>
<td> </td>
<td> </td>
<td align="right">3,015,687</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">26.38</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">8.29</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">34,905,646</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Options exercisable at March 31
</div></td>
<td> </td>
<td> </td>
<td align="right">987,396</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">15.32</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">6.50</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">22,082,684</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     As of March 31, 2011 we had approximately $24.9 million of unrecognized compensation
expense related to our unvested stock options. We expect to recognize this compensation expense
over a weighted-average period of approximately 1.6 years.
</div>
<div align="left" style="font-size: 10pt; margin-top: 12pt"><i>Restricted Stock Awards</i>
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     We also grant restricted stock awards that generally vest and are expensed over a four year
period. In December 2010 we granted restricted stock awards with certain performance conditions to
certain executive officers. At each reporting date, we are required to evaluate whether achievement
of the performance condition is probable. Compensation expense is recorded based upon our
assessment of accomplishing each performance provision, over the appropriate service period. For
the three months ended March 31, 2011, no expense was recognized related to these awards.
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     The following table summarizes our restricted stock award activity during the three months
ended March 31, 2011 and 2010:
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<tr valign="bottom">
<td width="52%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="4%"> </td>
<td width="1%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
<td width="5%">    </td>
<td width="3%">    </td>
<td width="1%"> </td>
<td width="3%"> </td>
<td width="5%"> </td>
<td width="3%"> </td>
<td width="1%"> </td>
<td width="3%"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="7" style="border-bottom: 1px solid #000000"><b>2011</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="7" style="border-bottom: 1px solid #000000"><b>2010</b></td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Weighted-</b></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"> </td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Average</b></td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Weighted-</b></td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 0px solid #000000"><b>Grant Date</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 0px solid #000000"><b>Stock</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 0px solid #000000"><b>Average Grant</b></td>
</tr>
<tr style="font-size: 8pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 1px solid #000000"><b>Stock Awards</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 1px solid #000000"><b>Fair Value</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 1px solid #000000"><b>Awards</b></td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 1px solid #000000"><b>Date Fair Value</b></td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Outstanding at January 1
</div></td>
<td> </td>
<td> </td>
<td align="right">2,214,260</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">21.79</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">2,360,138</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">7.71</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Granted
</div></td>
<td> </td>
<td> </td>
<td align="right">891,847</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">35.18</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">725,079</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">29.39</td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Vested
</div></td>
<td> </td>
<td nowrap="nowrap" align="right"> </td>
<td align="right">(338,288</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">21.80</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="right"> </td>
<td align="right">(361,742</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">6.45</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Forfeited and expired
</div></td>
<td> </td>
<td nowrap="nowrap" align="right"> </td>
<td align="right">(76,778</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">24.60</td>
<td> </td>
<td> </td>
<td nowrap="nowrap" align="right"> </td>
<td align="right">(25,131</td>
<td nowrap="nowrap">)</td>
<td> </td>
<td> </td>
<td align="right">10.98</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td align="right" style="border-top: 1px solid #000000"> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Outstanding at March 31
</div></td>
<td> </td>
<td> </td>
<td align="right">2,691,041</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">26.15</td>
<td> </td>
<td> </td>
<td> </td>
<td align="right">2,698,344</td>
<td> </td>
<td> </td>
<td align="right">$</td>
<td align="right">13.67</td>
<td> </td>
</tr>
<tr style="font-size: 1px">
<td>
<div style="margin-left:15px; text-indent:-15px"> 
</div></td>
<td> </td>
<td> </td>
<td align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td align="right" style="border-top: 3px double #000000"> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
<div align="left" style="font-size: 10pt; margin-top: 6pt">     As of March 31, 2011 we had approximately $48.8 million in total unrecognized compensation
expense related to our restricted stock awards that is to be recognized over a weighted-average
period of approximately 1.5 years.
</div>
<!-- Folio -->
<!-- /Folio -->
</div>
<!-- PAGEBREAK -->
<div style="font-family: 'Times New Roman',Times,serif">
</div>
<!--DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" -->
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 64, 65, A240
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 93-6
-Paragraph 53
Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14
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