2.4.0.82447402 - Disclosure - Discontinued Operations and Assets Held for Sale Discontinued Operation Narrative(Details)truefalsefalse1false USDfalsefalse$D2013Q2http://www.sec.gov/CIK0000731657duration2013-04-01T00:00:002013-06-30T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$D2012Q2http://www.sec.gov/CIK0000731657duration2012-04-01T00:00:002012-06-30T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDfalsefalse$D2013Q2YTDhttp://www.sec.gov/CIK0000731657duration2013-01-01T00:00:002013-06-30T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false USDfalsefalse$D2012Q2YTDhttp://www.sec.gov/CIK0000731657duration2012-01-01T00:00:002012-06-30T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$5false truefalseD2009Q4Dec14_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_spir_MedicalProductsBusinessUnitMemberhttp://www.sec.gov/CIK0000731657duration2009-12-13T00:00:002009-12-14T00:00:00falsefalseMedical Products Business Unit [Member]us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxisxbrldihttp://xbrl.org/2006/xbrldispir_MedicalProductsBusinessUnitMemberus-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxisexplicitMember6false USDtruefalse$D2012Q1Mar09_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_spir_SemiconductorBusinessUnitMemberhttp://www.sec.gov/CIK0000731657duration2012-03-08T00:00:002012-03-09T00:00:00falsefalseSemiconductor Business Unit [Member]us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxisxbrldihttp://xbrl.org/2006/xbrldispir_SemiconductorBusinessUnitMemberus-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$7false USDtruefalse$D2012Q1_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_spir_SemiconductorBusinessUnitMemberhttp://www.sec.gov/CIK0000731657duration2012-01-01T00:00:002012-03-31T00:00:00falsefalseSemiconductor Business Unit [Member]us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxisxbrldihttp://xbrl.org/2006/xbrldispir_SemiconductorBusinessUnitMemberus-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$8false USDtruefalse$D2013Q2YTD_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_spir_SemiconductorBusinessUnitMemberhttp://www.sec.gov/CIK0000731657duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseSemiconductor Business Unit [Member]us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxisxbrldihttp://xbrl.org/2006/xbrldispir_SemiconductorBusinessUnitMemberus-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$9false USDtruefalse$D2012Q2YTD_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_spir_SemiconductorBusinessUnitMemberhttp://www.sec.gov/CIK0000731657duration2012-01-01T00:00:002012-06-30T00:00:00falsefalseSemiconductor Business Unit [Member]us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxisxbrldihttp://xbrl.org/2006/xbrldispir_SemiconductorBusinessUnitMemberus-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 3us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]2false 4us-gaap_DisposalDate1us-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse002009-12-14falsefalsetrue6falsefalsefalse002012-03-09falsefalsetrue7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalsexbrli:dateItemTypedateDate the entity disposed of a business or a group of assets, in CCYY-MM-DD format.No definition available.false0Disposal Date3false 4spir_BusinessDivestitureSalePricespir_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6truefalsefalse80000008000000USD$falsetruefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryThe purchase price of a portion of the company's business, for example a segment, division, branch or other business.No definition available.false2Business Divestiture, Sale Price4false 4us-gaap_ProceedsFromDivestitureOfBusinessesus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7truefalsefalse73000007300000falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryThe cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15, 16 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false2Proceeds from Divestiture of Businesses5false 4us-gaap_RestrictedCashAndCashEquivalentsNoncurrentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7truefalsefalse718000718000falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryCash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 false2Restricted Cash and Cash Equivalents, Noncurrent6false 4spir_BusinessDivestitureSalePriceAllocationLiabilitiesAssumespir_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6truefalsefalse500000500000falsefalsefalse7truefalsefalse12000001200000falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryThe amount of liabilities assumed with the divestiture of a business unit.No definition available.false2Business Divestiture, Sale Price Allocation, Liabilities Assume7false 4spir_BusinessDivestitureCostOfDivisitureEntityTransactionCostsspir_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7truefalsefalse425000425000falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of direct costs of the business divestiture including legal, accounting, and other costs incurred to consummate the business diversiture.No definition available.false2Business Divestiture, Cost of Divisiture Entity, Transaction Costs8false 4us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTaxus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsetruefalse2truefalsefalse00USD$falsetruefalse3truefalsefalse00USD$falsetruefalse4truefalsefalse-430000-430000USD$falsetruefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8truefalsefalse00USD$falsetruefalse9truefalsefalse-430000-430000USD$falsetruefalsexbrli:monetaryItemTypemonetaryOverall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 47 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 43 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.12) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Article 7 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 05 -Paragraph 15 -Article 3 false2Loss from discontinued operations before sale of business unitfalseDiscontinued Operations and Assets Held for Sale Discontinued Operation Narrative(Details) (USD $)NoRoundingUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.spirecorp.com/role/DiscontinuedOperationsAndAssetsHeldForSaleDiscontinuedOperationNarrativedetails98