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Acquisitions (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jul. 01, 2017 | Apr. 01, 2017 | Dec. 31, 2017
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Acquisition, Pro Forma Revenue |  |  |  |  |  |  | $ 5,774,079 |  |
Purchase of shares from noncontrolling interest |  | $ 0 |  |  |  |  | 23,350 |  |
Payments to Acquire Businesses, Net of Cash Acquired |  | 331,467 |  |  |  |  | 0 |  |
Sales |  | 6,875,613 | [1] | $ 7,539,449 | $ 6,856,108 | $ 6,422,226 | 5,736,780 | [1] | $ 26,554,563
Net income attributable to shareholders |  | $ 139,094 |  | 53,653 | $ 134,064 | $ 99,722 | 114,737 |  | 402,176
Business Acquisition, Pro Forma Net Income (Loss) |  |  |  |  |  |  | $ 115,222 |  |
Basic |  | $ 1.58 |  |  |  |  | $ 1.29 |  |
Business Acquisition, Pro Forma Earnings Per Share, Basic |  |  |  |  |  |  | 1.29 |  |
Diluted | [2] | $ 1.56 |  |  |  |  | 1.27 |  |
Business Acquisition, Pro Forma Earnings Per Share, Diluted |  |  |  |  |  |  | $ 1.27 |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net | [3] | $ 2,703,542 |  | $ 2,470,047 |  |  |  |  | $ 2,470,047
Customer Relationships [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 10 years |  |  |  |  |  |  | 10 years
Other Intangible Assets [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 5 years |  |  |  |  |  |  | 5 years
e-Infochips [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  | $ 327,532 |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables |  | 14,162 |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  | 312,763 |  |  |  |  |  |  |
Cash Acquired from Acquisition |  | 14,769 |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory |  | 1,512 |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment |  | 8,114 |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other |  | 24,021 |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, identifiable intangible assets |  | 71,710 |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net |  | 202,267 |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable |  | (517) |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Accrued Expenses |  | (6,909) |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other |  | (1,597) |  |  |  |  |  |  |
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual |  | $ 19,586 |  |  |  |  |  |  |
e-Infochips [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 9 years |  |  |  |  |  |  |
Data Modul AG [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Additional Percentage Interest Acquired of Subsidiary Shares from Noncontrolling Interest |  |  |  |  |  |  |  |  | 11.90%
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  | 69.20% |  |  |  |  | 69.20%
Purchase of shares from noncontrolling interest |  |  |  |  |  |  |  |  | $ 23,350
Series of Individually Immaterial Business Acquisitions [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  | $ 18,704 |  |  |  |  |  |  | $ 4
[1] | Includes sales related to the United States of $2,649,668 and $2,342,128 for the first quarter of 2018 and 2017, respectively.
[2] | Stock-based compensation awards for the issuance of 415 and 244 for the first quarter of 2018 and 2017, respectively, were excluded from the computation of net income per share on a diluted basis as their effect was anti-dilutive.
[3] | The total carrying value of goodwill for all periods in the table above is reflected net of $1,026,702 of accumulated impairment charges, of which $716,925 was recorded in the global components business segment and $309,777 was recorded in the global ECS business segment.

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- Definition Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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