Acquisitions (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended							9 Months Ended				12 Months Ended
		Sep. 29, 2018		Dec. 31, 2017	Sep. 30, 2017		Jul. 01, 2017	Apr. 01, 2017	Sep. 29, 2018		Sep. 30, 2017		Dec. 31, 2017
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue					$ 6,891,648						$ 19,125,866
Purchase of shares from noncontrolling interest									$ 0		23,350
Payments to Acquire Businesses, Net of Cash Acquired									331,563		3,628
Sales		$ 7,490,445	[1]	$ 7,539,449	6,856,108	[1]	$ 6,422,226	$ 5,736,780	21,758,586	[1]	19,015,114	[1]	$ 26,554,563
Net income attributable to shareholders		$ 176,533		53,653	134,064		$ 99,722	$ 114,737	$ 485,542		348,523		402,176
Business Acquisition, Pro Forma Net Income (Loss)					$ 134,819						$ 350,450
Basic		$ 2.02			$ 1.52				$ 5.53		$ 3.92
Business Acquisition, Pro Forma Earnings Per Share, Basic					1.52						3.94
Diluted	[2]	$ 1.99			1.50				$ 5.47		3.88
Business Acquisition, Pro Forma Earnings Per Share, Diluted					$ 1.51						$ 3.90
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	[3]	$ 2,659,335		$ 2,470,047					$ 2,659,335				$ 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									$ 327,628
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables		13,701							13,701
Payments to Acquire Businesses, Net of Cash Acquired									312,859
Cash Acquired from Acquisition									14,769
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory		1,512							1,512
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment		4,557							4,557
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other		23,733							23,733
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, identifiable intangible assets		71,710							71,710
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net		230,237							230,237
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable		(521)							(521)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Accrued Expenses		(8,595)							(8,595)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities		(21,969)							(21,969)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other		$ (1,506)							(1,506)
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual									$ 64,871
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				$ 3,628

[1] Includes sales related to the United States of $3,181,227 and $8,799,364 for the third quarter and first nine months of 2018 and $2,853,505 and $7,863,591 for the third quarter and first nine months of 2017, respectively.

[2] Stock-based compensation awards for the issuance of 582 and 540 shares for the third quarter and first nine months of 2018 and 396 and 363 shares for the third quarter and first nine months of 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 enterprise computing solutions business segment.