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</LabelSeparator><Level>2</Level><ElementName>us-gaap_DeferredRevenueByArrangementDisclosureTextBlock</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><PreferredLabelRole>label</PreferredLabelRole><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="c20130101to20130630" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;div style="font-family: 'Times New Roman', Times, serif; font-size: 10pt;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif; text-align: left;"&gt;The following table provides changes in deferred service contract revenue for the six-month periods ended June 30, 2013 and 2012 &lt;font style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif; font-style: italic;"&gt;(in thousands)&lt;/font&gt;:&lt;/div&gt;&lt;div&gt;&lt;br /&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times, serif; width: 100%;"&gt;&lt;tr&gt;&lt;td valign="bottom" style="vertical-align: bottom; padding-bottom: 2px;"&gt;&lt;div style="margin-left: 9pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; padding-bottom: 2px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="6" valign="bottom" style="vertical-align: bottom; border-bottom: #000000 2px solid;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif; font-weight: bold; text-align: center;"&gt;June 30&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="vertical-align: bottom; padding-bottom: 2px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td valign="bottom" style="vertical-align: bottom; padding-bottom: 2px;"&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; padding-bottom: 2px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="vertical-align: bottom; border-bottom: #000000 2px solid;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif; font-weight: bold; text-align: center;"&gt;2013&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="vertical-align: bottom; padding-bottom: 2px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; padding-bottom: 2px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="vertical-align: bottom; border-bottom: #000000 2px solid;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif; font-weight: bold; text-align: center;"&gt;2012&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="vertical-align: bottom; padding-bottom: 2px; text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td valign="bottom" style="vertical-align: bottom; width: 76%; background-color: #cceeff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif; text-align: left; margin-left: 16.2pt; text-indent: -16.2pt;"&gt;Beginning Balance&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; width: 1%; background-color: #cceeff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; text-align: left; width: 1%; background-color: #cceeff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; text-align: right; width: 9%; background-color: #cceeff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif;"&gt;8,539&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="vertical-align: bottom; text-align: left; width: 1%; background-color: #cceeff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; width: 1%; background-color: #cceeff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; text-align: left; width: 1%; background-color: #cceeff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; text-align: right; width: 9%; background-color: #cceeff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif;"&gt;5,838&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="vertical-align: bottom; text-align: left; width: 1%; background-color: #cceeff;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td valign="bottom" style="vertical-align: bottom; width: 76%; background-color: #ffffff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif; text-align: left; margin-left: 25.2pt; text-indent: -16.2pt;"&gt;Add: &amp;#160; &amp;#160; &amp;#160; &amp;#160; Payments received&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; width: 1%; background-color: #ffffff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; text-align: left; width: 1%; background-color: #ffffff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; text-align: right; width: 9%; background-color: #ffffff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif;"&gt;7,140&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="vertical-align: bottom; text-align: left; width: 1%; background-color: #ffffff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; width: 1%; background-color: #ffffff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; text-align: left; width: 1%; background-color: #ffffff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; text-align: right; width: 9%; background-color: #ffffff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif;"&gt;6,033&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="vertical-align: bottom; text-align: left; width: 1%; background-color: #ffffff;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td valign="bottom" style="vertical-align: bottom; width: 76%; background-color: #cceeff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif; text-align: left; margin-left: 25.2pt; text-indent: -16.2pt;"&gt;Add: &amp;#160; &amp;#160; &amp;#160; &amp;#160; Contract revenue assumed with business acquisition&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; width: 1%; background-color: #cceeff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; text-align: left; width: 1%; background-color: #cceeff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; text-align: right; width: 9%; background-color: #cceeff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif;"&gt;&amp;#8212;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="vertical-align: bottom; text-align: left; width: 1%; background-color: #cceeff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: top; width: 1%; background-color: #cceeff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: top; text-align: left; width: 1%; background-color: #cceeff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: top; text-align: right; width: 9%; background-color: #cceeff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif;"&gt;780&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="vertical-align: top; text-align: left; width: 1%; background-color: #cceeff;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td valign="bottom" style="vertical-align: bottom; padding-bottom: 2px; width: 76%; background-color: #ffffff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif; text-align: left; margin-left: 25.2pt; text-indent: -16.2pt;"&gt;Less: &amp;#160; &amp;#160; &amp;#160; &amp;#160; Revenue recognized&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; padding-bottom: 2px; width: 1%; background-color: #ffffff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; border-bottom: #000000 2px solid; text-align: left; width: 1%; background-color: #ffffff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; border-bottom: #000000 2px solid; text-align: right; width: 9%; background-color: #ffffff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif;"&gt;(5,964&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="vertical-align: bottom; padding-bottom: 2px; text-align: left; width: 1%; background-color: #ffffff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif;"&gt;)&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; padding-bottom: 2px; width: 1%; background-color: #ffffff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; border-bottom: #000000 2px solid; text-align: left; width: 1%; background-color: #ffffff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; border-bottom: #000000 2px solid; text-align: right; width: 9%; background-color: #ffffff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif;"&gt;(5,645&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="vertical-align: bottom; padding-bottom: 2px; text-align: left; width: 1%; background-color: #ffffff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif;"&gt;)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td valign="bottom" style="vertical-align: bottom; padding-bottom: 4px; width: 76%; background-color: #cceeff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif; text-align: left; margin-left: 16.2pt; text-indent: -16.2pt;"&gt;Ending Balance&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; padding-bottom: 4px; width: 1%; background-color: #cceeff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; border-bottom: #000000 4px double; text-align: left; width: 1%; background-color: #cceeff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; border-bottom: #000000 4px double; text-align: right; width: 9%; background-color: #cceeff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif;"&gt;9,715&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="vertical-align: bottom; padding-bottom: 4px; text-align: left; width: 1%; background-color: #cceeff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; padding-bottom: 4px; width: 1%; background-color: #cceeff;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; border-bottom: #000000 4px double; text-align: left; width: 1%; background-color: #cceeff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="vertical-align: bottom; border-bottom: #000000 4px double; text-align: right; width: 9%; background-color: #cceeff;"&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif;"&gt;7,006&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="vertical-align: bottom; padding-bottom: 4px; text-align: left; width: 1%; background-color: #cceeff;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div&gt;&lt;br /&gt;&lt;/div&gt;&lt;div style="font-size: 10pt; font-family: ''Times New Roman'', Times, serif; text-align: left;"&gt;Costs incurred under service contracts were $5.2 million and $3.6 million for the six-month periods ended June 30, 2013 and 2012, which were recognized as incurred.&lt;/div&gt;&lt;/div&gt;</NonNumbericText><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>nonnum:textBlockItemType</ElementDataType><SimpleDataType>na</SimpleDataType><ElementDefenition>Tabular disclosure of the type of arrangements and the corresponding amounts that comprise the current and noncurrent balance of deferred revenue as of the balance sheet date.</ElementDefenition><ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 605

 -SubTopic 10

 -Section S99

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 -Subparagraph (SAB TOPIC 13.A.4(a).Q1)

 -URI http://asc.fasb.org/extlink&amp;oid=6600647&amp;loc=d3e214044-122780



Reference 2: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 210

 -SubTopic 10

 -Section 45

 -Paragraph 8

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

 -Publisher SEC

 -Name Staff Accounting Bulletin (SAB)

 -Number Topic 13

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