Cost of revenues-provision for excess and obsolete inventory.

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- Definition

Restructuring and other lease impairment.

+ References

No definition available.

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- Definition

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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- Definition

Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.

+ References

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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-Publisher FASB
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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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- Definition

The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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- Definition

Amount of restructuring charges, remediation cost, and asset impairment loss.

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-Name Accounting Standards Codification
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Amount of insurance proceeds for an event or transaction that is unusual in nature or infrequent in occurrence, or both.

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Schedule of Segment Reporting Information by Segment Charges (Detail) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Oct. 01, 2017	Oct. 02, 2016	Jul. 03, 2016	Oct. 01, 2017	Oct. 02, 2016
Segment Reporting Information [Line Items]
Goodwill impairment					$ 254,946
Acquired intangible assets impairment					83,339
Restructuring and other-employee severance	$ (4,407)	$ 12,177		$ 392	16,372
Contingent consideration adjustment				1,847	10,451
Property insurance recovery				4,309
Universal Robots
Segment Reporting Information [Line Items]
Contingent consideration adjustment	(300)	8,000		1,800	9,900
Avionics Interface Technologies, LLC
Segment Reporting Information [Line Items]
Contingent consideration adjustment					600
Semiconductor Test
Segment Reporting Information [Line Items]
Cost of revenues-inventory charge	743	2,351		3,686	8,270
Restructuring and other-employee severance	375	2,047		242	2,798
Wireless Test
Segment Reporting Information [Line Items]
Cost of revenues-inventory charge	735	561		1,729	6,437
Restructuring and other-lease impairment	(393)			900
Goodwill impairment			$ 254,946		254,946
Acquired intangible assets impairment			$ 83,300		83,339
Restructuring and other-employee severance		1,672		31	2,639
Corporate And Eliminations
Segment Reporting Information [Line Items]
Restructuring and other-employee severance				530
Property insurance recovery	(5,064)			(5,064)	(5,051)
Corporate And Eliminations \| Cost of revenues
Segment Reporting Information [Line Items]
Pension actuarial losses (gains)		364		(664)	(250)
Corporate And Eliminations \| Selling and administrative
Segment Reporting Information [Line Items]
Pension actuarial losses (gains)		192		(1,094)	(441)
Corporate And Eliminations \| Engineering and development
Segment Reporting Information [Line Items]
Pension actuarial losses (gains)		106		(746)	(509)
Corporate And Eliminations \| Universal Robots \| Restructuring and other
Segment Reporting Information [Line Items]
Contingent consideration adjustment	(286)	7,973		1,847	9,902
Corporate And Eliminations \| Impairment of fixed assets and expenses related to the Japan earthquake
Segment Reporting Information [Line Items]
Building impairment and other expenses	755			755	5,051
Corporate And Eliminations \| Avionics Interface Technologies, LLC
Segment Reporting Information [Line Items]
Contingent consideration adjustment					550
Industrial Automation
Segment Reporting Information [Line Items]
Cost of revenues-inventory charge	130			130
Restructuring and other-employee severance	$ 206	$ 532		$ 1,150	$ 532