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    <link:label id="lab_us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_9851960E5472A0F7E683B5955284A1EB_terseLabel_en-US" xlink:label="lab_us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_9851960E5472A0F7E683B5955284A1EB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Severance and Other Charges</link:label>
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    <link:label id="lab_us-gaap_NonoperatingIncomeExpense_C7F476C20DEAA838C372C468E7C212E7_totalLabel_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpense_C7F476C20DEAA838C372C468E7C212E7" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total other income (expense)</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:label="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_1AA1F8470CA7370BA66CC51A904FC283" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IntersegmentEliminationMember_256A06DC429D6E2332D1C51A904F25BC_terseLabel_en-US" xlink:label="lab_us-gaap_IntersegmentEliminationMember_256A06DC429D6E2332D1C51A904F25BC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Eliminations</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IntersegmentEliminationMember" xlink:label="loc_us-gaap_IntersegmentEliminationMember_256A06DC429D6E2332D1C51A904F25BC" xlink:type="locator" />
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    <link:label id="lab_fi_InternationalServicesMember_46083978E02CCE308370C51A904F19D9_verboseLabel_en-US" xlink:label="lab_fi_InternationalServicesMember_46083978E02CCE308370C51A904F19D9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">International Services</link:label>
    <link:loc xlink:href="fi-20170331.xsd#fi_InternationalServicesMember" xlink:label="loc_fi_InternationalServicesMember_46083978E02CCE308370C51A904F19D9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fi_InternationalServicesMember_46083978E02CCE308370C51A904F19D9" xlink:to="lab_fi_InternationalServicesMember_46083978E02CCE308370C51A904F19D9" xlink:type="arc" />
    <link:label id="lab_fi_U.S.ServicesMember_AF1CC2339032BEB1B7F9C51A904FA4A3_verboseLabel_en-US" xlink:label="lab_fi_U.S.ServicesMember_AF1CC2339032BEB1B7F9C51A904FA4A3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">U.S. Services</link:label>
    <link:loc xlink:href="fi-20170331.xsd#fi_U.S.ServicesMember" xlink:label="loc_fi_U.S.ServicesMember_AF1CC2339032BEB1B7F9C51A904FA4A3" xlink:type="locator" />
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    <link:label id="lab_fi_TubularSalesSegmentMember_E2E76197B2C7FA393C17C51A904F4656_verboseLabel_en-US" xlink:label="lab_fi_TubularSalesSegmentMember_E2E76197B2C7FA393C17C51A904F4656" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Tubular Sales</link:label>
    <link:loc xlink:href="fi-20170331.xsd#fi_TubularSalesSegmentMember" xlink:label="loc_fi_TubularSalesSegmentMember_E2E76197B2C7FA393C17C51A904F4656" xlink:type="locator" />
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    <link:label id="lab_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_E474CCA62E7D1BD18B9BC51A904F1F95_terseLabel_en-US" xlink:label="lab_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_E474CCA62E7D1BD18B9BC51A904F1F95" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue from External Customer [Line Items]</link:label>
    <link:label id="lab_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_E474CCA62E7D1BD18B9BC51A904F1F95_label_en-US" xlink:label="lab_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_E474CCA62E7D1BD18B9BC51A904F1F95" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from External Customer [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:label="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_E474CCA62E7D1BD18B9BC51A904F1F95" xlink:type="locator" />
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    <link:label id="lab_us-gaap_Revenues_B4FD45DD5D7EFED89F0AC51A904FEF01_terseLabel_en-US" xlink:label="lab_us-gaap_Revenues_B4FD45DD5D7EFED89F0AC51A904FEF01" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total revenue</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_FA8E24B4E2125B1AA895C53B33FC5E6D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ScheduleOfOtherAssetsNoncurrentTextBlock_817FB1E9686570F50741E532BAD7730E_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfOtherAssetsNoncurrentTextBlock_99C7678298C45B61A0C11440D4E48C8F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Other Assets</link:label>
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    <link:label id="lab_us-gaap_DerivativeAssetsAbstract_C22E1D6A0E78BBF2270FB1FE6DA8A979_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeAssetsAbstract_C22E1D6A0E78BBF2270FB1FE6DA8A979" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Asset Positions</link:label>
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    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_E9A0D0817D50B7AE5E7AB1FE6DA87642_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_E9A0D0817D50B7AE5E7AB1FE6DA87642" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross position - asset / (liability)</link:label>
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    <link:label id="lab_us-gaap_DerivativeAssetFairValueGrossLiability_D4E66386E145CA7DCF7EB1FE6DA8D1F3_label_en-US" xlink:label="lab_us-gaap_DerivativeAssetFairValueGrossLiability_D4E66386E145CA7DCF7EB1FE6DA8D1F3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Asset, Fair Value, Gross Liability</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeAssetFairValueGrossLiability" xlink:label="loc_us-gaap_DerivativeAssetFairValueGrossLiability_D4E66386E145CA7DCF7EB1FE6DA8D1F3" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DerivativeAssets_8F3509259BE9D31FAA3DB1FE6DA86D33_totalLabel_en-US" xlink:label="lab_us-gaap_DerivativeAssets_8F3509259BE9D31FAA3DB1FE6DA86D33" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net position - asset / (liability)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="loc_us-gaap_DerivativeAssets_8F3509259BE9D31FAA3DB1FE6DA86D33" xlink:type="locator" />
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