2.2.0.25truefalse40402 - Disclosure - Goodwill and Other Intangible Assets (Finite-lived intangible assets table) (Details)truefalseIn Thousandsfalse1falsefalseUSDfalsefalse3/31/2011 USD ($) $As_Of_3_31_2011http://www.sec.gov/CIK0001130385instant2011-03-31T00:00:000001-01-01T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2falsefalseUSDfalsefalse12/31/2010 USD ($) $As_Of_12_31_2010http://www.sec.gov/CIK0001130385instant2010-12-31T00:00:000001-01-01T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$2false0us-gaap_FiniteLivedIntangibleAssetsGrossus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse128862000128862falsetruefalsefalsefalse2truefalsefalse127340000127340falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetarySum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) falsefalseTotal identifiable intangible assets - Gross Carrying Amount3false0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortizationus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse-63559000-63559falsefalsefalsefalsefalse2truefalsefalse-61270000-61270falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe accumulated amount of amortization of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) falsefalseTotal identifiable intangible assets - Accumulated Amortization4false0us-gaap_FiniteLivedIntangibleAssetsNetus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse6530300065303falsefalsefalsefalsefalse2truefalsefalse6607000066070falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe aggregate sum of gross carrying value of a major finite-lived intangible asset class, less accumulated amortization and any impairment charges. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) falsefalseTotal identifiable intangible assets - Net Carrying Amount5false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://fwc.com/role/disclosuregoodwillandotherintangibleassetsfinitelivedintangibleassetstabledetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalseUSDtruefalse{us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis} : Patents [Member] 3/31/2011 USD ($) $As_Of_3_31_2011_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_PatentsMemberhttp://www.sec.gov/CIK0001130385instant2011-03-31T00:00:000001-01-01T00:00:00falsefalsePatents [Member]us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PatentsMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4falsefalseUSDtruefalse{us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis} : Patents [Member] 12/31/2010 USD ($) $As_Of_12_31_2010_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_PatentsMemberhttp://www.sec.gov/CIK0001130385instant2010-12-31T00:00:000001-01-01T00:00:00falsefalsePatents [Member]us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_PatentsMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalsePatents [Member]6false0us-gaap_FiniteLivedIntangibleAssetsGrossus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse4185300041853falsefalsefalsefalsefalse2truefalsefalse4123700041237falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetarySum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) falsefalseTotal identifiable intangible assets - Gross Carrying Amount7false0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortizationus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse-29191000-29191falsefalsefalsefalsefalse2truefalsefalse-28476000-28476falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe accumulated amount of amortization of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) falsefalseTotal identifiable intangible assets - Accumulated Amortization8false0us-gaap_FiniteLivedIntangibleAssetsNetus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse1266200012662falsefalsefalsefalsefalse2truefalsefalse1276100012761falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe aggregate sum of gross carrying value of a major finite-lived intangible asset class, less accumulated amortization and any impairment charges. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) falsefalseTotal identifiable intangible assets - Net Carrying Amount9false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://fwc.com/role/disclosuregoodwillandotherintangibleassetsfinitelivedintangibleassetstabledetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse5falsefalseUSDtruefalse{us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis} : Trademarks [Member] 3/31/2011 USD ($) $As_Of_3_31_2011_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_TrademarksMemberhttp://www.sec.gov/CIK0001130385instant2011-03-31T00:00:000001-01-01T00:00:00falsefalseTrademarks [Member]us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_TrademarksMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$6falsefalseUSDtruefalse{us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis} : Trademarks [Member] 12/31/2010 USD ($) $As_Of_12_31_2010_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_TrademarksMemberhttp://www.sec.gov/CIK0001130385instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseTrademarks [Member]us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_TrademarksMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalseTrademarks [Member]10false0us-gaap_FiniteLivedIntangibleAssetsGrossus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse6465000064650falsefalsefalsefalsefalse2truefalsefalse6377400063774falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetarySum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) falsefalseTotal identifiable intangible assets - Gross Carrying Amount11false0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortizationus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse-28645000-28645falsefalsefalsefalsefalse2truefalsefalse-27764000-27764falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe accumulated amount of amortization of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) falsefalseTotal identifiable intangible assets - Accumulated Amortization12false0us-gaap_FiniteLivedIntangibleAssetsNetus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse3600500036005falsefalsefalsefalsefalse2truefalsefalse3601000036010falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe aggregate sum of gross carrying value of a major finite-lived intangible asset class, less accumulated amortization and any impairment charges. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) falsefalseTotal identifiable intangible assets - Net Carrying Amount13false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://fwc.com/role/disclosuregoodwillandotherintangibleassetsfinitelivedintangibleassetstabledetails1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse7falsefalseUSDtruefalse{us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis} : Customer Relationships Pipeline And Backlog [Member] 3/31/2011 USD ($) $As_Of_3_31_2011_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_CustomerRelationshipsMemberhttp://www.sec.gov/CIK0001130385instant2011-03-31T00:00:000001-01-01T00:00:00falsefalseCustomer Relationships Pipeline And Backlog [Member]us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CustomerRelationshipsMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$8falsefalseUSDtruefalse{us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis} : Customer Relationships Pipeline And Backlog [Member] 12/31/2010 USD ($) $As_Of_12_31_2010_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_CustomerRelationshipsMemberhttp://www.sec.gov/CIK0001130385instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseCustomer Relationships Pipeline And Backlog [Member]us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CustomerRelationshipsMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalseCustomer Relationships Pipeline And Backlog [Member]14false0us-gaap_FiniteLivedIntangibleAssetsGrossus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse2235900022359falsefalsefalsefalsefalse2truefalsefalse2232900022329falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetarySum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) falsefalseTotal identifiable intangible assets - Gross Carrying Amount15false0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortizationus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse-5723000-5723falsefalsefalsefalsefalse2truefalsefalse-5030000-5030falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe accumulated amount of amortization of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) falsefalseTotal identifiable intangible assets - Accumulated Amortization16false0us-gaap_FiniteLivedIntangibleAssetsNetus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse1663600016636falsetruefalsefalsefalse2truefalsefalse1729900017299falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe aggregate sum of gross carrying value of a major finite-lived intangible asset class, less accumulated amortization and any impairment charges. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) falsefalseTotal identifiable intangible assets - Net Carrying Amount215Goodwill and Other Intangible Assets (Finite-lived intangible assets table) (Details) (USD $)ThousandsUnKnownUnKnownUnKnownfalsetrue