Derivative Instruments and Hedging Activities (Gain Loss On Derivative Cash Flow Hedges Reclassified From AOCI Into Income) (Detail) - Not Designated as Hedging Instrument - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Apr. 01, 2018
Derivative
Amount of Gain Recognized in Income on Derivative	$ 1,204	$ 6
Foreign currency contracts \| Cost of Goods Sold
Derivative
Amount of Gain Recognized in Income on Derivative	887	0
Commodity contracts \| Cost of Goods Sold
Derivative
Amount of Gain Recognized in Income on Derivative	$ 317	$ 6

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4CC
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109998890-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959

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