XML 79 R69.htm IDEA: XBRL DOCUMENT v3.22.1

Stock Repurchase Program (Details) - USD ($) shares in Thousands	3 Months Ended	6 Months Ended
	Apr. 03, 2022	Apr. 03, 2022	Mar. 03, 2022	Mar. 12, 2020
Repurchase Program March 2020
Equity, Class of Treasury Stock [Line Items]
Authorized common stock to be repurchased				$ 200,000,000
Shares repurchased at cost (in shares)	1,677	2,737
Shares repurchased at cost	$ 117,000,000	$ 200,000,000
Repurchase Program March 2022
Equity, Class of Treasury Stock [Line Items]
Authorized common stock to be repurchased			$ 500,000,000
Shares repurchased at cost (in shares)	202
Shares repurchased at cost	$ 13,405,000
Remaining authorized repurchase amount	$ 486,595,000	$ 486,595,000

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

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

X

- Definition

Number of stock bought back by the entity at the exercise price or redemption price.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644

+ Details

Name:	us-gaap_StockRedeemedOrCalledDuringPeriodShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Equity impact of the value of stock bought back by the entity at the exercise price or redemption price.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644

+ Details

Name:	us-gaap_StockRedeemedOrCalledDuringPeriodValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount remaining of a stock repurchase plan authorized.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_ShareRepurchaseProgramAxis=cgnx_RepurchaseProgramMarch2020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ShareRepurchaseProgramAxis=cgnx_RepurchaseProgramMarch2022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: