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v3.21.1

Revenue Recognition (General Narrative) (Details) | 3 Months Ended
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Mar. 31, 2021
Minimum |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Payment term | 30 days
Maximum |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Payment term | 60 days

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- Definition Revenue, Performance Obligation, Payment Term + References No definition available. + Details
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Namespace Prefix: | idxx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- 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
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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