2.4.0.8100290 - Disclosure - Share-Based Compensation (Tables)truefalsefalse1false
falsefalseC_0000029669_20130101_20130630http://www.sec.gov/CIK0000029669duration2013-01-01T00:00:002013-06-30T00:00:001false
4us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel| 1falsefalsefalse00<div>
<p style="margin:6pt 0pt 0pt; text-indent:24.5pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">The assumptions used to determine the fair market value of the stock options granted during the six months ended June 30, 2012 were as follows: </font></p>
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
<div style="text-align: left;">
<table cellspacing="0" cellpadding="0" style="display: block; text-align: left; border: 0">
<tr>
<th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</th>
<th colspan="2" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom">
<p style="margin:0pt; text-align:center; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">2012</font></p>
</th>
<th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom" colspan="2">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</th>
</tr>
<tr>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:top">
<p style="margin:5pt 0pt 5pt 12pt; text-indent:-12pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Expected volatility</font><font style="font-family:'Times New Roman'; font-size:10pt">              </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  39.71</font></p></td>
<td style="background-color:#cff0fc; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="page-break-after:avoid; margin-top:0pt; margin-bottom:0pt; margin-left:0pt"><font style="font-family:'Times New Roman'; font-size:10pt"></font></p></td><td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:left"><p style="page-break-after:avoid; margin-top:0pt; margin-right:0pt; margin-bottom:0pt"><font style="font-family:'Times New Roman'; font-size:10pt">%</font></p></td>
</tr>
<tr>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:top">
<p style="margin:5pt 0pt 5pt 12pt; text-indent:-12pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Risk-free interest rate</font><font style="font-family:'Times New Roman'; font-size:10pt">              </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  1.18</font></p></td>
<td style="padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="page-break-after:avoid; margin-top:0pt; margin-bottom:0pt; margin-left:0pt"><font style="font-family:'Times New Roman'; font-size:10pt"></font></p></td><td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:left"><p style="page-break-after:avoid; margin-top:0pt; margin-right:0pt; margin-bottom:0pt"><font style="font-family:'Times New Roman'; font-size:10pt">%</font></p></td>
</tr>
<tr>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:top">
<p style="margin:5pt 0pt 5pt 12pt; text-indent:-12pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Expected life (years)</font><font style="font-family:'Times New Roman'; font-size:10pt">              </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  6.25</font></p></td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom" colspan="2">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
</tr>
<tr>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:top">
<p style="margin:5pt 0pt 5pt 12pt; text-indent:-12pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Expected dividend yield</font><font style="font-family:'Times New Roman'; font-size:10pt">              </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  5.06</font></p></td>
<td style="padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="page-break-after:avoid; margin-top:0pt; margin-bottom:0pt; margin-left:0pt"><font style="font-family:'Times New Roman'; font-size:10pt"></font></p></td><td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:left"><p style="page-break-after:avoid; margin-top:0pt; margin-right:0pt; margin-bottom:0pt"><font style="font-family:'Times New Roman'; font-size:10pt">%</font></p></td>
</tr>
</table>
</div>
<p style="margin:0pt"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</div>falsefalsefalse | nonnum:textBlockItemTypenaTabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901
false0
2false
4us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel| 1falsefalsefalse00<div>
<p style="margin:12pt 0pt 0pt; text-indent:24.5pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Stock option awards as of December</font><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt">31, 2012 and June 30, 2013, and changes during the six months ended June 30, 2013, were as follows: </font></p>
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
<div style="text-align: left;">
<table cellspacing="0" cellpadding="0" style="display: block; text-align: left; border: 0">
<tr>
<th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</th>
<th colspan="2" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom">
<p style="margin:0pt; text-align:center; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Shares</font><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold"> </font><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Under</font><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold"> </font><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Option</font><br /><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">(thousands)</font></p>
</th>
<th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</th>
<th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</th>
<th colspan="3" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom">
<p style="margin:0pt; text-align:center; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Weighted</font><br /><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Average</font><br /><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Exercise</font><br /><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Price</font></p>
</th>
<th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</th>
<th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</th>
<th colspan="2" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom">
<p style="margin:0pt; text-align:center; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Weighted</font><br /><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Average</font><br /><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Remaining</font><br /><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Contractual</font><br /><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Term</font><br /><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">(years)</font></p>
</th>
<th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</th>
<th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</th>
<th colspan="4" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom">
<p style="margin:0pt; text-align:center; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Aggregate</font><br /><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Intrinsic</font><br /><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Value</font><br /><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">(millions)</font></p>
</th>
<th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</th>
</tr>
<tr>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:5pt 0pt 5pt 12pt; text-indent:-12pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Outstanding at December</font><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt">31, 2012</font><font style="font-family:'Times New Roman'; font-size:10pt">              </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  4,726</font></p></td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="page-break-after:avoid; margin-top:0pt; margin-bottom:0pt; margin-left:0pt"><font style="font-family:'Times New Roman'; font-size:10pt">$</font></p></td><td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="page-break-after:avoid; margin-top:0pt; margin-right:0pt; margin-bottom:0pt"><font style="font-family:'Times New Roman'; font-size:10pt"></font></p></td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  18.90</font></p></td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  6.2</font></p></td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="page-break-after:avoid; margin-top:0pt; margin-bottom:0pt; margin-left:0pt"><font style="font-family:'Times New Roman'; font-size:10pt">$</font></p></td><td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="page-break-after:avoid; margin-top:0pt; margin-right:0pt; margin-bottom:0pt"><font style="font-family:'Times New Roman'; font-size:10pt"></font></p></td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  2.1</font></p></td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
</tr>
<tr>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:5pt 0pt 5pt 12pt; text-indent:-12pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Exercised</font><font style="font-family:'Times New Roman'; font-size:10pt">              </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> (88 </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">)</font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom" colspan="2">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  7.09</font></p></td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom" colspan="2">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
</tr>
<tr>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:5pt 0pt 5pt 12pt; text-indent:-12pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Cancelled/forfeited/expired</font><font style="font-family:'Times New Roman'; font-size:10pt">              </font></p>
</td>
<td style="background-color:#cff0fc; border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> (361 </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:top">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">)</font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom" colspan="2">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  18.20</font></p></td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom" colspan="2">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
</tr>
<tr>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:5pt 0pt 5pt 12pt; text-indent:-12pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Outstanding at June 30, 2013</font><font style="font-family:'Times New Roman'; font-size:10pt">              </font></p>
</td>
<td style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  4,277</font></p></td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom" colspan="2">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  19.20</font></p></td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  6.2</font></p></td>
<td colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom" colspan="2">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  7.9</font></p></td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
</tr>
<tr>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:5pt 0pt 5pt 12pt; text-indent:-12pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Vested and expected to vest at June 30, 2013</font><font style="font-family:'Times New Roman'; font-size:10pt">              </font></p>
</td>
<td style="background-color:#cff0fc; border-top-color:#000000; border-top-style:double; border-top-width:1.5pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; border-top-color:#000000; border-top-style:double; border-top-width:1.5pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  4,235</font></p></td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom" colspan="2">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  19.26</font></p></td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  6.2</font></p></td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom" colspan="2">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  7.9</font></p></td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
</tr>
<tr>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:5pt 0pt 5pt 12pt; text-indent:-12pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Exercisable at June 30, 2013</font><font style="font-family:'Times New Roman'; font-size:10pt">              </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  1,356</font></p></td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="page-break-after:avoid; margin-top:0pt; margin-bottom:0pt; margin-left:0pt"><font style="font-family:'Times New Roman'; font-size:10pt">$</font></p></td><td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="page-break-after:avoid; margin-top:0pt; margin-right:0pt; margin-bottom:0pt"><font style="font-family:'Times New Roman'; font-size:10pt"></font></p></td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  8.68</font></p></td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  6.5</font></p></td>
<td colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="page-break-after:avoid; margin-top:0pt; margin-bottom:0pt; margin-left:0pt"><font style="font-family:'Times New Roman'; font-size:10pt">$</font></p></td><td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="page-break-after:avoid; margin-top:0pt; margin-right:0pt; margin-bottom:0pt"><font style="font-family:'Times New Roman'; font-size:10pt"></font></p></td>
<td colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  7.2</font></p></td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
</tr>
</table>
</div>
<p style="margin:0pt"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</div>falsefalsefalse | nonnum:textBlockItemTypenaTabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901
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4us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel| 1falsefalsefalse00<div>
<p style="margin:6pt 0pt 0pt; text-indent:24.5pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Nonvested restricted stock unit awards as of December</font><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt">31, 2012 and June 30, 2013, and changes during the six months ended June 30, 2013, were as follows: </font></p>
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
<div style="text-align: left;">
<table cellspacing="0" cellpadding="0" style="display: block; text-align: left; border: 0">
<tr>
<th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</th>
<th colspan="2" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom">
<p style="margin:0pt; text-align:center; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Shares</font><br /><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">(thousands)</font></p>
</th>
<th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</th>
<th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</th>
<th colspan="4" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom">
<p style="margin:0pt; text-align:center; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Weighted</font><br /><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Average</font><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold"> </font><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Grant</font><br /><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Date</font><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold"> </font><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Fair</font><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold"> </font><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Value</font></p>
</th>
<th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</th>
</tr>
<tr>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:5pt 0pt 5pt 12.25pt; text-indent:-12.25pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Nonvested at December 31, 2012</font><font style="font-family:'Times New Roman'; font-size:10pt">              </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  3,246</font></p></td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="page-break-after:avoid; margin-top:0pt; margin-bottom:0pt; margin-left:0pt"><font style="font-family:'Times New Roman'; font-size:10pt">$</font></p></td><td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="page-break-after:avoid; margin-top:0pt; margin-right:0pt; margin-bottom:0pt"><font style="font-family:'Times New Roman'; font-size:10pt"></font></p></td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  11.85</font></p></td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
</tr>
<tr>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:5pt 0pt 5pt 12.25pt; text-indent:-12.25pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Granted</font><font style="font-family:'Times New Roman'; font-size:10pt">              </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  1,377</font></p></td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom" colspan="2">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  9.59</font></p></td>
<td colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
</tr>
<tr>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:5pt 0pt 5pt 12.25pt; text-indent:-12.25pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Vested</font><font style="font-family:'Times New Roman'; font-size:10pt">              </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> (1,998 </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">)</font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom" colspan="2">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  10.19</font></p></td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
</tr>
<tr>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:5pt 0pt 5pt 12.25pt; text-indent:-12.25pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Forfeited</font><font style="font-family:'Times New Roman'; font-size:10pt">              </font></p>
</td>
<td style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.25pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.5pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> (72 </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">)</font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom" colspan="2">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  11.27</font></p></td>
<td colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
</tr>
<tr>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:5pt 0pt 5pt 12.25pt; text-indent:-12.25pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Nonvested at June 30, 2013</font><font style="font-family:'Times New Roman'; font-size:10pt">              </font></p>
</td>
<td style="background-color:#cff0fc; border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.25pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.5pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  2,553</font></p></td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="page-break-after:avoid; margin-top:0pt; margin-bottom:0pt; margin-left:0pt"><font style="font-family:'Times New Roman'; font-size:10pt">$</font></p></td><td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="page-break-after:avoid; margin-top:0pt; margin-right:0pt; margin-bottom:0pt"><font style="font-family:'Times New Roman'; font-size:10pt"></font></p></td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  11.94</font></p></td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
</tr>
</table>
</div>
<p style="margin:0pt"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</div>falsefalsefalse | nonnum:textBlockItemTypenaTabular disclosure of the changes in outstanding nonvested restricted stock units.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901
false0
4false
4us-gaap_ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel| 1falsefalsefalse00<div>
<p style="margin:6pt 0pt 0pt; text-indent:24.5pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Nonvested performance share unit awards as of December</font><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt">31, 2012 and June</font><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt">30, 2013, and changes during the six months ended June</font><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt">30, 2013, were as follows: </font></p>
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
<div style="text-align: left;">
<table cellspacing="0" cellpadding="0" style="display: block; text-align: left; border: 0">
<tr>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td colspan="3" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom">
<p style="margin:0pt; text-align:center; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Shares</font><br /><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">(thousands)</font></p>
</td>
<td colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td colspan="3" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td colspan="4" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom">
<p style="margin:0pt; text-align:center; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Weighted</font><br /><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Average</font><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold"> </font><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Grant</font></p>
<p style="margin:0pt; text-align:center; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold"> </font><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Date</font><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold"> </font><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Fair</font><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold"> </font><font style="font-family:'Times New Roman'; font-size:8pt; font-weight:bold">Value</font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
</tr>
<tr>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:5pt 0pt 5pt 12.25pt; text-indent:-12.25pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Nonvested at December</font><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt">31, 2012</font><font style="font-family:'Times New Roman'; font-size:10pt">              </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  468</font></p></td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="page-break-after:avoid; margin-top:0pt; margin-bottom:0pt; margin-left:0pt"><font style="font-family:'Times New Roman'; font-size:10pt">$</font></p></td><td style="background-color:#cff0fc; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="page-break-after:avoid; margin-top:0pt; margin-bottom:0pt"><font style="font-family:'Times New Roman'; font-size:10pt"></font></p></td><td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right" colspan="2"><p style="page-break-after:avoid; margin-top:0pt; margin-right:0pt; margin-bottom:0pt"><font style="font-family:'Times New Roman'; font-size:10pt"></font></p></td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  12.84</font></p></td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
</tr>
<tr>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:5pt 0pt 5pt 12.25pt; text-indent:-12.25pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Granted</font><font style="font-family:'Times New Roman'; font-size:10pt">              </font></p>
</td>
<td style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  485</font></p></td>
<td colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td colspan="4" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  8.85</font></p></td>
<td colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
</tr>
<tr>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:5pt 0pt 5pt 12.25pt; text-indent:-12.25pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">Nonvested at June 30, 2013</font><font style="font-family:'Times New Roman'; font-size:10pt">              </font></p>
</td>
<td style="background-color:#cff0fc; border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td style="background-color:#cff0fc; border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  953</font></p></td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid; line-height:2pt"><font style="font-family:'Times New Roman'; font-size:8pt"> </font><font style="font-family:'Times New Roman'; font-size:8pt"> </font></p>
</td>
<td style="background-color:#cff0fc; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="page-break-after:avoid; margin-top:0pt; margin-bottom:0pt; margin-left:0pt"><font style="font-family:'Times New Roman'; font-size:10pt">$</font></p></td><td style="background-color:#cff0fc; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="page-break-after:avoid; margin-top:0pt; margin-bottom:0pt"><font style="font-family:'Times New Roman'; font-size:10pt"></font></p></td><td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right" colspan="2"><p style="page-break-after:avoid; margin-top:0pt; margin-right:0pt; margin-bottom:0pt"><font style="font-family:'Times New Roman'; font-size:10pt"></font></p></td>
<td style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"><p style="margin:0pt; text-align:right; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt">  10.81</font></p></td>
<td colspan="2" style="background-color:#cff0fc; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">
<p style="margin:0pt; page-break-after:avoid"><font style="font-family:'Times New Roman'; font-size:10pt"> </font><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</td>
</tr></table>
</div>
<p style="margin:0pt"><font style="font-family:'Times New Roman'; font-size:10pt"> </font></p>
</div>falsefalsefalse | nonnum:textBlockItemTypenaTabular disclosure of the changes in outstanding nonvested performance-based units.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901
false0
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