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v3.10.0.1

Revenue Recognition (SaaS Subscriptions) (Details) | 9 Months Ended
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Sep. 30, 2018
Maximum |
Disaggregation of Revenue [Line Items] |
SaaS Subscription, term of contract | 2 years

X
- Definition SaaS Subscription, Term of Contract + References No definition available. + Details
Name: | idxx_SaasSubscriptionTermOfContract
Namespace Prefix: | idxx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |