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Acquisitions (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 27, 2015 USD ($) $ / shares | Jun. 28, 2014 USD ($) $ / shares | Jun. 27, 2015 USD ($) Acquisitions $ / shares | Jun. 28, 2014 USD ($) $ / shares | Dec. 31, 2014 USD ($) Acquisitions
Business Acquisition [Line Items] |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  | $ 470,674 | $ 60,224 |
Goodwill | [1] | $ 2,341,472 |  | 2,341,472 |  | $ 2,069,209
Sales |  | 5,829,989 | $ 5,676,539 | 10,832,374 | 10,758,579 |
Business Acquisition, Pro Forma Revenue |  | 5,877,711 | 6,003,830 | 11,172,766 | 11,383,075 |
Net income attributable to shareholders |  | 123,932 | 127,884 | 229,990 | 235,004 |
Business Acquisition, Pro Forma Net Income (Loss) |  | $ 124,192 | $ 133,351 | $ 234,151 | $ 242,682 |
Basic | $ / shares |  | $ 1.30 | $ 1.29 | $ 2.40 | $ 2.36 |
Business Acquisition, Pro Forma Earnings Per Share, Basic | $ / shares |  | 1.30 | 1.34 | 2.44 | 2.43 |
Diluted | $ / shares | [2] | 1.28 | 1.27 | 2.37 | 2.33 |
Business Acquisition, Pro Forma Earnings Per Share, Diluted | $ / shares |  | $ 1.28 | $ 1.33 | $ 2.42 | $ 2.40 |
Customer Relationships [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 10 years |  |  |  | 10 years
immixGroup [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  | $ 279,271 |  |  |  |
Cash Acquired from Acquisition |  | 32,566 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables |  | 157,130 |  | $ 157,130 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other |  | 34,269 |  | 34,269 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment |  | 1,569 |  | 1,569 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets |  | 5,313 |  | 5,313 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |  | 60,000 |  | 60,000 |  |
Goodwill |  | 154,591 |  | 154,591 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable |  | (136,921) |  | (136,921) |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities |  | (23,719) |  | (23,719) |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other |  | (5,527) |  | (5,527) |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net |  | 246,705 |  | 246,705 |  |
Sales |  | 96,524 |  |  |  |
immixGroup [Member] | Customer Relationships [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite-Lived Customer Relationships, Gross |  | $ 60,000 |  | $ 60,000 |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  | 8 years |  |
Data Modul AG [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  | 53.70% |  | 53.70% |  |
Series of Individually Immaterial Business Acquisitions [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Number of Businesses Acquired | Acquisitions |  |  |  | 5 |  | 5
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  | $ 223,969 |  | $ 162,881
Debt acquired from acquisition |  |  |  | $ 84,487 |  |
Business Combination, Contingent Consideration, Liability |  |  |  |  |  | 5,853
Business Combination, Other Amounts Withheld |  |  |  |  |  | $ 210
[1] | The total carrying value of cost in excess of net assets of companies acquired 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 709 and 607 shares for the second quarter and first six months of 2015 and 316 and 241 shares for the second quarter and first six months of 2014, 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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