XML 444 R49.htm IDEA: XBRL DOCUMENT v3.4.0.3

Deferred revenue - Additional Information (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Revenue Recognition [Abstract]
Deferred service revenue, cost of sales, current	$ (19,000)	$ (15,700)
Deferred service revenue, noncurrent portion	$ 17,820	$ 17,975

X

- Definition

Deferred Cost of Services, Current

+ References

No definition available.

+ Details

Name:	omcl_DeferredCostofServicesCurrent
Namespace Prefix:	omcl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Deferred Revenue, Services, Noncurrent

+ References

No definition available.

+ Details

Name:	omcl_DeferredRevenueServicesNoncurrent
Namespace Prefix:	omcl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_RevenueRecognitionAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration