Leases (Narrative) (Details) $ in Millions	Sep. 30, 2022 USD ($)
Leases [Abstract]
Operating lease, lease not yet commenced, liability	$ 7.9

Lessee, Operating Lease, Lease Not Yet Commenced, Liability

No definition available.

Name:	idxx_LesseeOperatingLeaseLeaseNotYetCommencedLiability
Namespace Prefix:	idxx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant