Acquisitions (Details) $ / shares in Units, $ in Thousands		3 Months Ended		12 Months Ended
		Apr. 02, 2016 USD ($) Acquisitions $ / shares	Mar. 28, 2015 USD ($) $ / shares	Dec. 31, 2015 USD ($) Acquisitions
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired		$ 46,490	$ 133,089
Goodwill	[1]	2,437,034		$ 2,368,832
Sales		5,474,177	5,002,385
Business Acquisition, Pro Forma Revenue			5,302,792
Net income attributable to shareholders		$ 106,235	106,058
Business Acquisition, Pro Forma Net Income (Loss)			$ 108,375
Basic | $ / shares		$ 1.16	$ 1.11
Business Acquisition, Pro Forma Earnings Per Share, Basic | $ / shares			1.13
Diluted | $ / shares	[2]	$ 1.14	1.09
Business Acquisition, Pro Forma Earnings Per Share, Diluted | $ / shares			$ 1.12
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				$ 280,454
Cash Acquired from Acquisition				28,205
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables				145,130
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other				24,181
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment				1,569
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets				5,313
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill				44,000
Goodwill				186,240
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable				(136,921)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities				(11,736)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other				(5,527)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net				252,249
immixGroup [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Finite-Lived Customer Relationships, Gross				$ 44,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life				13 years
Data Modul AG [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired				53.70%
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent				3.60%
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Number of Businesses Acquired | Acquisitions		2		9
Payments to Acquire Businesses, Net of Cash Acquired		$ 45,608		$ 263,341
Debt acquired from acquisition				$ 84,487

[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 1,039 and 711 shares for the first quarters of 2016 and 2015, respectively, were excluded from the computation of net income per share on a diluted basis as their effect was anti-dilutive.