Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
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Financial Instruments and Fair Value [Line Items]

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This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.

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No definition available.

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This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months.

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No definition available.

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Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), without single maturity date and not allocated over maturity grouping.

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-Topic 320
-SubTopic 10
-Section 50
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This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

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No definition available.

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This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

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No definition available.

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This element represents the amount of any change recognized during the period in the high-end of the estimated range of outcomes (undiscounted) of a liability assumed in a business combination arising from an item of contingent consideration.

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For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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Financial Instruments - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 01, 2018	Jul. 02, 2017	Jul. 01, 2018	Jul. 02, 2017	Dec. 31, 2017
Financial Instruments and Fair Value [Line Items]
Available-for-sale securities, realized gain	$ 100,000	$ 200,000	$ 400,000	$ 500,000
Available-for-sale securities, realized loss	0	$ 100,000	1,500,000	$ 200,000
Available-for-sale marketable securities, Fair Market Value of Investments in debt securities with Unrealized Losses	691,584,000		691,584,000		$ 1,350,895,000
Fair market value of investments with unrealized losses greater than one year	32,700,000		32,700,000		141,000,000
Aggregate loss of investments with unrealized losses greater than one year	1,600,000		1,600,000		1,200,000
Fair market value of investments with unrealized losses less than one year	658,900,000		658,900,000		1,209,900,000
Aggregate loss of investments with unrealized losses less than one year	1,700,000		1,700,000		2,200,000
Debt Mutual Funds
Financial Instruments and Fair Value [Line Items]
Available-for-sale marketable securities, Fair Market Value of Investments in debt securities with Unrealized Losses	1,681,000		1,681,000
Available for sale securities with out contractual maturity date	2,800,000		2,800,000
Universal Robots (UR)
Financial Instruments and Fair Value [Line Items]
Maximum payment per earn-out			25,000,000
Mobile Industrial Robots (MiR)
Financial Instruments and Fair Value [Line Items]
Maximum amount of contingent consideration paid for acquisition	117,000,000		117,000,000
Foreign Exchange Contracts
Financial Instruments and Fair Value [Line Items]
Notional amount of foreign currency forward contracts	$ 93,400,000		$ 93,400,000		$ 116,800,000