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Revenues - Additional Information (Detail)	3 Months Ended		6 Months Ended
	Jun. 29, 2020	Jul. 01, 2019	Jun. 29, 2020	Jul. 01, 2019
Revenue From Contract With Customer [Line Items]
Remaining revenue performance obligation, percentage	83.00%		83.00%
Transferred over Time
Revenue From Contract With Customer [Line Items]
Revenue from products and services transferred to customers, percentage	98.00%	97.00%	98.00%	96.00%
Transferred at Point in Time
Revenue From Contract With Customer [Line Items]
Revenue from products and services transferred to customers, percentage	2.00%	3.00%	2.00%	4.00%

X

- Definition

Revenue from contract with customer.

+ References

No definition available.

+ Details

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X

- Definition

Revenue from products and services transferred to customers percentage.

+ References

No definition available.

+ Details

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X

- Definition

Percentage of remaining performance obligation to total remaining performance obligation not recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045

+ Details

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- Details

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X

- Details

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