Inventory step-up recorded in an acquisition.

No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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- Definition

The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

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-Publisher FASB
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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
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- Definition

Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)(1)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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- Definition

Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
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-Publisher FASB
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-Section 50
-Paragraph 1
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-Name Accounting Standards Codification
-Topic 325
-SubTopic 20
-Section 35
-Paragraph 2
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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

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- Definition

Cash outflow representing an adjustment to the purchase price of a previous acquisition.

+ References

No definition available.

+ Details

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- Details

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Note 2 - Acquisitions (Details Textual) - USD ($) $ in Thousands					3 Months Ended	6 Months Ended
	Feb. 28, 2017	Aug. 29, 2016	Apr. 04, 2016	Mar. 25, 2016	Jul. 01, 2017	Jul. 01, 2017	Dec. 31, 2016	Dec. 31, 2015
Electronics [Member]
Goodwill, Acquired During Period				$ 103,800
Automotive [Member]
Goodwill, Acquired During Period				61,300
Monolith [Member]
Business Acquisition, Percentage of Voting Interests Acquired	62.00%
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low	$ 1,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	10,000
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value	3,500					$ 3,500
Business Combination, Consideration Transferred	$ 15,000
ON Portfolio [Member]
Business Acquisition Inventory Stepup		$ 700
Business Combination, Consideration Transferred		104,000
Business Acquisition, Goodwill, Expected Tax Deductible Amount		$ 7,300
ON Portfolio [Member] \| Customer Relationships [Member]
Finite-Lived Intangible Asset, Useful Life		13 years 182 days
ON Portfolio [Member] \| Patented and Unpatented Technologies [Member] \| Minimum [Member]
Finite-Lived Intangible Asset, Useful Life		6 years
ON Portfolio [Member] \| Patented and Unpatented Technologies [Member] \| Maximum [Member]
Finite-Lived Intangible Asset, Useful Life		8 years 182 days
ON Portfolio [Member] \| Noncompete Agreements [Member]
Finite-Lived Intangible Asset, Useful Life		4 years
Menber's S.p.A. [Member]
Business Acquisition Inventory Stepup			$ 200
Business Combination, Consideration Transferred			$ 19,200
Menber's S.p.A. [Member] \| Customer Relationships [Member]
Finite-Lived Intangible Asset, Useful Life			10 years
Menber's S.p.A. [Member] \| Patented and Unpatented Technologies [Member]
Finite-Lived Intangible Asset, Useful Life			5 years
Menber's S.p.A. [Member] \| Trademarks and Trade Names [Member]
Finite-Lived Intangible Asset, Useful Life			10 years
PolySwitch [Member]
Business Acquisition Inventory Stepup				$ 6,900
Business Acquisition, Percentage of Voting Interests Acquired				100.00%
Business Combination, Consideration Transferred				$ 348,300		$ 348,292
Payments for Previous Acquisition					$ 3,800
Business Acquisition, Goodwill, Expected Tax Deductible Amount				$ 64,900
PolySwitch [Member] \| Customer Relationships [Member]
Finite-Lived Intangible Asset, Useful Life				15 years
PolySwitch [Member] \| Patented and Unpatented Technologies [Member]
Finite-Lived Intangible Asset, Useful Life				10 years
Monolith [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners								12.00%
Cost Method Investments							$ 3,500	$ 3,500