Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018		Dec. 31, 2017		Dec. 31, 2016
Goodwill [Line Items]
Goodwill	$ 2,624,690	[1]	$ 2,470,047	[1]	$ 2,392,220	[2]
Shipping, Handling and Transportation Costs	103,533		90,709		79,257
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement			(16,706)
Gain (loss) on investments, net	(14,166)		(6,577)		2,896
Amortization of stock-based compensation	46,238		39,122		39,825
Global Components [Member]
Goodwill [Line Items]
Goodwill	1,437,501	[1]	1,264,869	[1]	1,239,741	[2]
Global ECS [Member]
Goodwill [Line Items]
Goodwill	1,187,189	[1]	$ 1,205,178	[1]	$ 1,152,479	[2]
Global eInfochips [Domain]
Goodwill [Line Items]
Goodwill	181,000
Americas [Member] | Global Components [Member]
Goodwill [Line Items]
Goodwill	1,100,000
Americas [Member] | Global ECS [Member]
Goodwill [Line Items]
Goodwill	788,100
EMEA [Member] | Global Components [Member]
Goodwill [Line Items]
Goodwill	84,100
EMEA [Member] | Global ECS [Member]
Goodwill [Line Items]
Goodwill	399,100
Asia/Pacific [Member] | Global Components [Member]
Goodwill [Line Items]
Goodwill	$ 61,200

[1] The total carrying value of goodwill of companies acquired as of December 31, 2018 and December 31, 2017, 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 ECS business segment.

[2] The total carrying value of goodwill of companies acquired as of December 31, 2016 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.