Expected payment for asset acquisition contingent consideration liability.

No definition available.

Name:	novt_ExpectedPaymentForAssetAcquisitionContingentConsiderationLiability
Namespace Prefix:	novt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number of contingent consideration payment annual installments.

+ References

No definition available.

+ Details

Name:	novt_NumberOfContingentConsiderationAnnualInstallments
Namespace Prefix:	novt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

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

- 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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

+ Details

Name:	us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

For contingent consideration arrangements and indemnification assets recognized in connection with a business combination, this element represents an estimate of the low-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

+ Details

Name:	us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 35
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476

+ Details

Name:	us-gaap_BusinessCombinationContingentConsiderationLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash outflow, not made soon after acquisition date of business combination, to settle contingent consideration liability up to amount recognized at acquisition date, including, but not limited to, measurement period adjustment and less amount paid soon after acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

+ Details

Name:	us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_BusinessAcquisitionAxis=novt_ARGESGmbHMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=novt_IngeniaCATSLMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Fair Value Measurements - Business Combination Contingent Consideration - Additional Information (Details) $ in Thousands	3 Months Ended						9 Months Ended
	Jul. 02, 2021 USD ($)	Jul. 02, 2021 EUR (€)	Apr. 02, 2021 USD ($)	Apr. 02, 2021 EUR (€)	Jul. 03, 2020 USD ($)	Jul. 03, 2020 EUR (€)	Oct. 02, 2020 Installment	Apr. 02, 2021 EUR (€)	Jul. 31, 2019 USD ($)	Jul. 31, 2019 EUR (€)	Apr. 16, 2019 USD ($)	Apr. 16, 2019 EUR (€)
Business Acquisition [Line Items]
Payment for contingent consideration \| $			$ 435
ARGES GmbH
Business Acquisition [Line Items]
Undiscounted low range of contingent consideration										€ 0
Undiscounted high range of contingent consideration									$ 11,100	10,000,000.0
Fair value of contingent consideration									$ 7,900	€ 7,100,000
Payment for contingent consideration			400	€ 400,000
Ingenia-CAT, S.L.
Business Acquisition [Line Items]
Undiscounted low range of contingent consideration												€ 0
Undiscounted high range of contingent consideration											$ 9,000	8,000,000.0
Fair value of contingent consideration			$ 2,900					€ 2,400,000			$ 6,600	€ 5,800,000
Payment for contingent consideration					$ 1,100	€ 1,000,000.0
Number of contingent consideration annual installments \| Installment							3
Ingenia-CAT, S.L. \| Scenario Forecast
Business Acquisition [Line Items]
Expected payment for contingent consideration	$ 1,500	€ 1,300,000