Acquisitions (Details) $ / shares in Units, $ in Thousands		3 Months Ended		12 Months Ended
		Mar. 30, 2019 USD ($) $ / shares	Mar. 31, 2018 USD ($) Acquisitions $ / shares	Dec. 31, 2018 USD ($)
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired		$ 0	$ 331,467
Net income attributable to shareholders		$ 140,735	$ 139,094
Basic | $ / shares		$ 1.65	$ 1.58
Diluted | $ / shares	[1]	$ 1.63	$ 1.56
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	[2]	$ 2,632,451		$ 2,624,690
Customer Relationships [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		11 years	11 years
Other Intangible Assets [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		9 years	9 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				13,670
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
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment				3,485
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other				46,488
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, identifiable intangible assets				128,000
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net				197,126
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable				(520)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Accrued Expenses				(33,836)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities				(41,474)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other				(1,592)
e-Infochips [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, identifiable intangible assets				109,000
Finite-Lived Intangible Assets, Useful Life			15 years
e-Infochips [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, identifiable intangible assets				19,000
Finite-Lived Intangible Assets, Useful Life			10 years
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Number of Businesses Acquired | Acquisitions			1
Payments to Acquire Businesses, Net of Cash Acquired				$ 18,704

[1] Stock-based compensation awards for the issuance of 903 and 415 shares for the first quarter of 2019 and 2018, respectively, were excluded from the computation of net income per share on a diluted basis as their effect was anti-dilutive.

[2] The total carrying value of goodwill as of March 30, 2019 and December 31, 2018 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 enterprise computing solutions ("ECS") business segment.