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12. Commitments & Contingent Liabilities (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended | 1 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2014 | Jan. 31, 2013 | Dec. 31, 2013 | Dec. 31, 2012 | Apr. 10, 2014 | Oct. 04, 2011 | Sep. 30, 2012 | Dec. 31, 2016
Purchase Commitment, Excluding Long-term Commitment [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value | $ 27.7 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue |  |  | $ 20.8 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue |  |  |  |  |  |
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |  |  |
Operating leases, due next twelve months | 39.3 us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent |  |  |  |  |  |  |  |  |
Operating leases, due in two years | 33.6 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears |  |  |  |  |  |  |  |  |
Operating leases, due in three years | 25.7 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears |  |  |  |  |  |  |  |  |
Operating leases, due in four years | 18.5 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears |  |  |  |  |  |  |  |  |
Operating leases, due thereafter | 36.7 us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter |  |  |  |  |  |  |  |  |
Post-Employment Benefits Liability | 46.1 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent |  |  | 46.3 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent |  |  |  |  |  |
Recorded Unconditional Purchase Obligation | 110.5 us-gaap_RecordedUnconditionalPurchaseObligation |  |  |  |  |  |  |  |  |
Recorded Unconditional Purchase Obligation Due in Next Twelve Months | 18.4 us-gaap_RecordedUnconditionalPurchaseObligationDueWithinOneYear |  |  |  |  |  |  |  |  |
Recorded Unconditional Purchase Obligation Due in Second Year | 11.7 us-gaap_RecordedUnconditionalPurchaseObligationDueInSecondYear |  |  |  |  |  |  |  |  |
Recorded Unconditional Purchase Obligation Due in Third Year | 10.7 us-gaap_RecordedUnconditionalPurchaseObligationDueInThirdYear |  |  |  |  |  |  |  |  |
Recorded Unconditional Purchase Obligation Due in Fourth Year | 3.4 us-gaap_RecordedUnconditionalPurchaseObligationDueInFourthYear |  |  |  |  |  |  |  |  |
Recorded Unconditional Purchase Obligation Due in Fifth Year | 2.4 us-gaap_RecordedUnconditionalPurchaseObligationDueInFifthYear |  |  |  |  |  |  |  |  |
Recorded Unconditional Purchase Obligation Due after Fifth Year | 63.9 us-gaap_RecordedUnconditionalPurchaseObligationDueAfterFifthYear |  |  |  |  |  |  |  |  |
Unrecorded Unconditional Purchase Obligation | 36.3 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount |  |  |  |  |  |  |  |  |
Unrecorded Unconditional Purchase Obligation, Due in Twelve Months | 17.6 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary |  |  |  |  |  |  |  |  |
Unrecorded Unconditional Purchase Obligation, Due within Two Years | 4.3 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary |  |  |  |  |  |  |  |  |
Unrecorded Unconditional Purchase Obligation, Due within Three Years | 2.6 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary |  |  |  |  |  |  |  |  |
Unrecorded Unconditional Purchase Obligation, Due within Four Years | 3.4 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary |  |  |  |  |  |  |  |  |
Unrecorded Unconditional Purchase Obligation, Due within Five Years | 5.3 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary |  |  |  |  |  |  |  |  |
Unrecorded Unconditional Purchase Obligation, Due after Five Years | 3.1 us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears |  |  |  |  |  |  |  |  |
Letters of Credit Outstanding Amount | 7.6 us-gaap_LettersOfCreditOutstandingAmount |  |  |  |  |  |  |  |  |
Employees Covered By Collective Bargaining Agreements U.S., Percentage | 8.00%bio_EmployeesCoveredByCollectiveBargainingAgreementsUSPercentage |  |  |  |  |  |  |  |  |
GnuBIO [Member] |  |  |  |  |  |  |  |  |  |
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings | 0.7 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings / us-gaap_BusinessAcquisitionAxis = bio_GnuBIOMember |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability | 10.0 us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_BusinessAcquisitionAxis = bio_GnuBIOMember |  |  |  |  |  | 10.7 us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_BusinessAcquisitionAxis = bio_GnuBIOMember |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  |  |  |  |  | 70.0 us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh / us-gaap_BusinessAcquisitionAxis = bio_GnuBIOMember |  |  |
QuantaLife [Member] |  |  |  |  |  |  |  |  |  |
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements |  |  | 6.0 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements / us-gaap_BusinessAcquisitionAxis = bio_QuantalifeMember |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability |  |  |  |  |  |  |  | 24.1 us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_BusinessAcquisitionAxis = bio_QuantalifeMember |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  |  |  |  |  |  | 48.0 us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh / us-gaap_BusinessAcquisitionAxis = bio_QuantalifeMember |  |
CellSorter [Member] |  |  |  |  |  |  |  |  |  |
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements | 2.4 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements / us-gaap_BusinessAcquisitionAxis = bio_CellsorterMember |  |  |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings | 0.7 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings / us-gaap_BusinessAcquisitionAxis = bio_CellsorterMember |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability | 17.7 us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_BusinessAcquisitionAxis = bio_CellsorterMember |  |  |  |  |  |  |  | 44.6 us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_BusinessAcquisitionAxis = bio_CellsorterMember |
UNITED STATES |  |  |  |  |  |  |  |  |  |
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |  |  |
Entity Number of Employees | 3,100 dei_EntityNumberOfEmployees / bio_EmployeeLocationAxis = country_US |  |  |  |  |  |  |  |  |
Fair Value, Measurements, Recurring [Member] |  |  |  |  |  |  |  |  |  |
Purchase Commitment, Excluding Long-term Commitment [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value | 27.7 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | [1] |  | 20.8 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | [1] |  |  |  |  |
Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure [Member] | QuantaLife [Member] |  |  |  |  |  |  |  |  |  |
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings |  |  |  | $ 2.0 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings / us-gaap_BusinessAcquisitionAxis = bio_QuantalifeMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_EstimateOfFairValueFairValueDisclosureMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  | $ 16.1 us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings / us-gaap_BusinessAcquisitionAxis = bio_QuantalifeMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_EstimateOfFairValueFairValueDisclosureMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |  |  |  |
Sales milestone percentage of annual invoices [Member] | CellSorter [Member] |  |  |  |  |  |  |  |  |  |
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |  |  |
Business Acquisition, Contingent Consideration, Potential Percentage Payout | 40.00%bio_BusinessAcquisitionContingentConsiderationPotentialPercentagePayout / us-gaap_BusinessAcquisitionAxis = bio_CellsorterMember / us-gaap_ContingentConsiderationByTypeAxis = bio_SalesmilestonepercentageofannualinvoicesMember |  |  |  |  |  |  |  |  |
Scenario, Forecast [Member] | Sales milestone percentage of annual invoices [Member] | CellSorter [Member] |  |  |  |  |  |  |  |  |  |
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] |  |  |  |  |  |  |  |  |  |
Business Acquisition, Contingent Consideration, Potential Percentage Payout |  |  |  |  |  |  |  |  |  | 39.00%bio_BusinessAcquisitionContingentConsiderationPotentialPercentagePayout / us-gaap_BusinessAcquisitionAxis = bio_CellsorterMember / us-gaap_ContingentConsiderationByTypeAxis = bio_SalesmilestonepercentageofannualinvoicesMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember
[1] | Contingent consideration liabilities are included in the following accounts in the Consolidated Balance Sheets (in millions): December 31, 2014 December 31, 2013 Other current liabilities$13.1 $6.1Other long-term liabilities14.6 14.7 Total$27.7 $20.8

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- Definition For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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- Definition Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 + Details
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- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 + Details
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- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 + Details
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- Definition Amount of the recorded unconditional purchase obligation maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25383-109308 + Details
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