XML 48 R38.htm IDEA: XBRL DOCUMENT v3.20.2

Summary of Significant Accounting Policies Receivables (Details) - USD ($)	9 Months Ended
	Sep. 26, 2020	Apr. 24, 2020
Receivables [Abstract]
Recovery of Direct Costs	$ 40,000,000.0
Receivable for Recovery of Import Duties, Net	25,400,000	$ 60,300,000
Proceeds from recovery of import duties	$ 34,900,000

X

- Definition

Proceeds from recovery of import duties

+ References

No definition available.

+ Details

Name:	irbt_ProceedsFromRecoveryOfImportDuties
Namespace Prefix:	irbt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Carrying amount as of the balance sheet date of tariffs due either from customers or suppliers arising from sales or purchases, or as previously overpaid to tax authorities or vendors.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.8)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_ReceivableForRecoveryOfImportDutiesNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

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

X

- Definition

Return of or reimbursements received in relation to direct costs and expenses previously paid or incurred.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

+ Details

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