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    <link:label id="lab_sww_SeniorSecuredNotesMember_BD8911AFC2BD1BB3D698CD12A761519C_terseLabel_en-US" xlink:label="lab_sww_SeniorSecuredNotesMember_BD8911AFC2BD1BB3D698CD12A761519C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior Secured Notes</link:label>
    <link:label id="lab_sww_SeniorSecuredNotesMember_BD8911AFC2BD1BB3D698CD12A761519C_label_en-US" xlink:label="lab_sww_SeniorSecuredNotesMember_BD8911AFC2BD1BB3D698CD12A761519C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Secured Notes [Member]</link:label>
    <link:label id="lab_sww_SeniorSecuredNotesMember_BD8911AFC2BD1BB3D698CD12A761519C_documentation_en-US" xlink:label="lab_sww_SeniorSecuredNotesMember_BD8911AFC2BD1BB3D698CD12A761519C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior Secured Notes [Member]</link:label>
    <link:loc xlink:href="sww-20120930.xsd#sww_SeniorSecuredNotesMember" xlink:label="loc_sww_SeniorSecuredNotesMember_BD8911AFC2BD1BB3D698CD12A761519C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_sww_SeniorSecuredNotesMember_BD8911AFC2BD1BB3D698CD12A761519C" xlink:to="lab_sww_SeniorSecuredNotesMember_BD8911AFC2BD1BB3D698CD12A761519C" xlink:type="arc" />
    <link:label id="lab_us-gaap_SeniorNotesMember_42B9FBD09EBE73C6E2ABCD12A7610473_terseLabel_en-US" xlink:label="lab_us-gaap_SeniorNotesMember_42B9FBD09EBE73C6E2ABCD12A7610473" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior Notes</link:label>
    <link:label id="lab_us-gaap_SeniorNotesMember_42B9FBD09EBE73C6E2ABCD12A7610473_label_en-US" xlink:label="lab_us-gaap_SeniorNotesMember_42B9FBD09EBE73C6E2ABCD12A7610473" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Notes [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="loc_us-gaap_SeniorNotesMember_42B9FBD09EBE73C6E2ABCD12A7610473" xlink:type="locator" />
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    <link:label id="lab_sww_SeniorSecuredCreditFacilityMember_348D161DAB74BC5AFEB2CD12A761DB16_terseLabel_en-US" xlink:label="lab_sww_SeniorSecuredCreditFacilityMember_348D161DAB74BC5AFEB2CD12A761DB16" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior Secured Credit Facility</link:label>
    <link:label id="lab_sww_SeniorSecuredCreditFacilityMember_348D161DAB74BC5AFEB2CD12A761DB16_label_en-US" xlink:label="lab_sww_SeniorSecuredCreditFacilityMember_348D161DAB74BC5AFEB2CD12A761DB16" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Secured Credit Facility [Member]</link:label>
    <link:label id="lab_sww_SeniorSecuredCreditFacilityMember_348D161DAB74BC5AFEB2CD12A761DB16_documentation_en-US" xlink:label="lab_sww_SeniorSecuredCreditFacilityMember_348D161DAB74BC5AFEB2CD12A761DB16" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior Secured Credit Facility [Member]</link:label>
    <link:loc xlink:href="sww-20120930.xsd#sww_SeniorSecuredCreditFacilityMember" xlink:label="loc_sww_SeniorSecuredCreditFacilityMember_348D161DAB74BC5AFEB2CD12A761DB16" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditMember_0D8E15A1EC70A2D0865DCD12A7612697_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditMember_0D8E15A1EC70A2D0865DCD12A7612697" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revolvers</link:label>
    <link:label id="lab_us-gaap_LineOfCreditMember_0D8E15A1EC70A2D0865DCD12A7612697_label_en-US" xlink:label="lab_us-gaap_LineOfCreditMember_0D8E15A1EC70A2D0865DCD12A7612697" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_us-gaap_LineOfCreditMember_0D8E15A1EC70A2D0865DCD12A7612697" xlink:type="locator" />
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    <link:label id="lab_sww_USRevolverMember_784E8EEE0F95C25714BFCD12A761E2F4_terseLabel_en-US" xlink:label="lab_sww_USRevolverMember_784E8EEE0F95C25714BFCD12A761E2F4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">U.S. revolver</link:label>
    <link:label id="lab_sww_USRevolverMember_784E8EEE0F95C25714BFCD12A761E2F4_label_en-US" xlink:label="lab_sww_USRevolverMember_784E8EEE0F95C25714BFCD12A761E2F4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">U.S. revolver [Member]</link:label>
    <link:label id="lab_sww_USRevolverMember_784E8EEE0F95C25714BFCD12A761E2F4_documentation_en-US" xlink:label="lab_sww_USRevolverMember_784E8EEE0F95C25714BFCD12A761E2F4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">U.S. revolver [Member]</link:label>
    <link:loc xlink:href="sww-20120930.xsd#sww_USRevolverMember" xlink:label="loc_sww_USRevolverMember_784E8EEE0F95C25714BFCD12A761E2F4" xlink:type="locator" />
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    <link:label id="lab_sww_CanadianRevolverMember_5B0E8D833E5880184B1FCD12A7617757_terseLabel_en-US" xlink:label="lab_sww_CanadianRevolverMember_5B0E8D833E5880184B1FCD12A7617757" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Canadian revolver</link:label>
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    <link:loc xlink:href="sww-20120930.xsd#sww_CanadianRevolverMember" xlink:label="loc_sww_CanadianRevolverMember_5B0E8D833E5880184B1FCD12A7617757" xlink:type="locator" />
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    <link:label id="lab_sww_UKRevolverMember_97671ACA73733BFB69E7CD12A761BC08_documentation_en-US" xlink:label="lab_sww_UKRevolverMember_97671ACA73733BFB69E7CD12A761BC08" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">U.K. revolver [Member]</link:label>
    <link:loc xlink:href="sww-20120930.xsd#sww_UKRevolverMember" xlink:label="loc_sww_UKRevolverMember_97671ACA73733BFB69E7CD12A761BC08" xlink:type="locator" />
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    <link:label id="lab_us-gaap_MediumTermNotesMember_360DBF2BE86B06017699CD12A761FD8D_terseLabel_en-US" xlink:label="lab_us-gaap_MediumTermNotesMember_360DBF2BE86B06017699CD12A761FD8D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term Loans</link:label>
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    <link:label id="lab_sww_OptionsAxis_7705D3F91003850EF069CD12A76286D4_terseLabel_en-US" xlink:label="lab_sww_OptionsAxis_7705D3F91003850EF069CD12A76286D4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options [Axis]</link:label>
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    <link:label id="lab_sww_OptionTwoMember_5246A9D7AF2FDE7224FCCD12A762D4C3_terseLabel_en-US" xlink:label="lab_sww_OptionTwoMember_5246A9D7AF2FDE7224FCCD12A762D4C3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Option Two</link:label>
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    <link:loc xlink:href="sww-20120930.xsd#sww_OptionTwoMember" xlink:label="loc_sww_OptionTwoMember_5246A9D7AF2FDE7224FCCD12A762D4C3" xlink:type="locator" />
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    <link:loc xlink:href="sww-20120930.xsd#sww_OptionTwoOrMember" xlink:label="loc_sww_OptionTwoOrMember_B8D940F6398CF49B0DE1CD12A7622265" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentLineItems_1B3F6216B933FF458AE6CD12A7628692_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_1B3F6216B933FF458AE6CD12A7628692" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instruments</link:label>
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    <link:label id="lab_us-gaap_SeniorNotes_0F796C2F4E324724F140CD12A7628D9F_terseLabel_en-US" xlink:label="lab_us-gaap_SeniorNotes_0F796C2F4E324724F140CD12A7628D9F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior Notes</link:label>
    <link:label id="lab_us-gaap_SeniorNotes_0F796C2F4E324724F140CD12A7628D9F_label_en-US" xlink:label="lab_us-gaap_SeniorNotes_0F796C2F4E324724F140CD12A7628D9F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Notes</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeniorNotes" xlink:label="loc_us-gaap_SeniorNotes_0F796C2F4E324724F140CD12A7628D9F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCredit_0568CF2392CFBB6DCC97CD12A762094E_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_0568CF2392CFBB6DCC97CD12A762094E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revolvers</link:label>
    <link:label id="lab_us-gaap_LineOfCredit_0568CF2392CFBB6DCC97CD12A762094E_label_en-US" xlink:label="lab_us-gaap_LineOfCredit_0568CF2392CFBB6DCC97CD12A762094E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Line of Credit</link:label>
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    <link:label id="lab_us-gaap_MediumTermNotes_805F452CCA45AD686745CD12A762B2B2_terseLabel_en-US" xlink:label="lab_us-gaap_MediumTermNotes_805F452CCA45AD686745CD12A762B2B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term Loans</link:label>
    <link:label id="lab_us-gaap_MediumTermNotes_805F452CCA45AD686745CD12A762B2B2_label_en-US" xlink:label="lab_us-gaap_MediumTermNotes_805F452CCA45AD686745CD12A762B2B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Medium-term Notes</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MediumTermNotes" xlink:label="loc_us-gaap_MediumTermNotes_805F452CCA45AD686745CD12A762B2B2" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongTermDebt_656D46B582869A3665C2CD12A76327C0_totalLabel_en-US" xlink:label="lab_us-gaap_LongTermDebt_656D46B582869A3665C2CD12A76327C0" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total debt</link:label>
    <link:label id="lab_us-gaap_LongTermDebt_656D46B582869A3665C2CD12A76327C0_label_en-US" xlink:label="lab_us-gaap_LongTermDebt_656D46B582869A3665C2CD12A76327C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_656D46B582869A3665C2CD12A76327C0" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_0DD90F8E65E710BEE1C1CD12A7631550_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_0DD90F8E65E710BEE1C1CD12A7631550" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate</link:label>
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    <link:label id="lab_sww_DebtInstrumentMaximumBorrowingCapacity_4DDE73EFB7C61CD312B1CD12A763F1A7_terseLabel_en-US" xlink:label="lab_sww_DebtInstrumentMaximumBorrowingCapacity_4DDE73EFB7C61CD312B1CD12A763F1A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate amount of available borrowings</link:label>
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    <link:label id="lab_us-gaap_MaturitiesOfLongTermDebtAbstract_25F007B8B18364CF6CEECD12A765357D_terseLabel_en-US" xlink:label="lab_us-gaap_MaturitiesOfLongTermDebtAbstract_25F007B8B18364CF6CEECD12A765357D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Future maturities of the Company's outstanding long-term debt</link:label>
    <link:label id="lab_us-gaap_MaturitiesOfLongTermDebtAbstract_25F007B8B18364CF6CEECD12A765357D_label_en-US" xlink:label="lab_us-gaap_MaturitiesOfLongTermDebtAbstract_25F007B8B18364CF6CEECD12A765357D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturities of Long-term Debt [Abstract]</link:label>
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    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_8F8DCE02D72E72CE244FCD12A7653814_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_8F8DCE02D72E72CE244FCD12A7653814" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2012</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_8F8DCE02D72E72CE244FCD12A7653814" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_31455B2FEF6ABC617584CD12A7657BE4_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_31455B2FEF6ABC617584CD12A7657BE4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2013</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_31455B2FEF6ABC617584CD12A7657BE4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_31455B2FEF6ABC617584CD12A7657BE4" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_31455B2FEF6ABC617584CD12A7657BE4" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_27475719B6A907A0A14FCD12A7650EF5_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_27475719B6A907A0A14FCD12A7650EF5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_27475719B6A907A0A14FCD12A7650EF5" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_27475719B6A907A0A14FCD12A7650EF5" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_96FC2DE533FC8D1D0730CD12A7663172_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_96FC2DE533FC8D1D0730CD12A7663172" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_96FC2DE533FC8D1D0730CD12A7663172" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_96FC2DE533FC8D1D0730CD12A7663172" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_96FC2DE533FC8D1D0730CD12A7663172" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_1C36DF76CF3254D95D54CD12A7669BBD_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_1C36DF76CF3254D95D54CD12A7669BBD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_1C36DF76CF3254D95D54CD12A7669BBD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CapitalLeaseObligationsCurrent_65D9523B9487A87E816ABE0414E1639F_verboseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeaseObligationsCurrent_65D9523B9487A87E816ABE0414E1639F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current portion of capital lease obligations</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_10551DA367BA4A4F3733BE0414E1F667" xlink:type="locator" />
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