Financial Instruments - Narrative (Detail) - USD ($)	Mar. 28, 2020	Dec. 28, 2019
Equity Forwards
Investment Holdings [Line Items]
Equity forwards in place of common stock associated with its deferred compensation plans (in shares)	119,700
Treasury locks
Investment Holdings [Line Items]
Treasury locks outstanding	$ 0	$ 0
Fair Value Hedging
Investment Holdings [Line Items]
Notional amount of interest rate swaps outstanding and designated as fair value hedges	$ 100,000,000.0	$ 100,000,000.0

Nominal or face amount used to calculate payments on the derivative asset.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant