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Acquisitions (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2017 USD ($) $ / shares | Oct. 01, 2016 USD ($) $ / shares | Sep. 30, 2017 USD ($) $ / shares | Oct. 01, 2016 USD ($) $ / shares | Dec. 31, 2016 USD ($) Acquisitions
Business Acquisition [Line Items] |  |  |  |  |  |
Purchase of shares from noncontrolling interest |  |  |  | $ 23,350 | $ 0 |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  | 3,628 | 68,946 |
Goodwill | [1] | $ 2,470,576 |  | 2,470,576 |  | $ 2,392,220
Sales |  | 6,953,740 | $ 5,936,092 | 19,178,638 | 17,382,370 |
Net income attributable to shareholders |  | $ 134,630 | $ 117,727 | $ 348,077 | $ 358,232 |
Basic | $ / shares |  | $ 1.52 | $ 1.29 | $ 3.92 | $ 3.92 |
Diluted | $ / shares | [2] | $ 1.50 | $ 1.28 | $ 3.87 | $ 3.87 |
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 |  |
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] |  |  |  |  |  |
Number of Businesses Acquired | Acquisitions |  |  |  |  |  | 3
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  | $ 63,869
[1] | The total carrying value of goodwill for all periods in the table above is reflected net of $1,018,780 of accumulated impairment charges, of which $716,925 was recorded in the global components business segment and $301,855 was recorded in the global ECS business segment.
[2] | Stock-based compensation awards for the issuance of 396 and 363 shares for the third quarter and first nine months of 2017 and 824 and 821 shares for the third quarter and first nine months 2016, respectively, were excluded from the computation of net income per share on a diluted basis as their effect was anti-dilutive.

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