Shareholders Equity Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2020		Dec. 31, 2019		Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss		$ (104,885)		$ (262,211)		$ (299,449)
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax		(63,027)		(245,705)		(266,327)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent		157,326		37,238
Foreign Currency Translation Adjustment and Other, Net		182,678		20,622
Unrealized Gain (Loss) on Foreign Exchange Contracts Designated as Net Investment Hedges, Net		(13,488)		10,368		0
Unrealized Gain (Loss) on Interest Rate Swaps Designated as Cash Flow Hedges, Net		(9,000)		(7,787)		931
Employee Benefit Plan Items, Net		2,864		(14,035)		(8,253)
Wyle Defined Benefit Plan [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement		0		(20,111)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax				15,257
Other comprehensive income (loss) before reclassifications [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent		159,929	[1]	12,301
Foreign Currency Translation Adjustment and Other, Net	[1]	183,636		7,658
Unrealized Gain (Loss) on Foreign Exchange Contracts Designated as Net Investment Hedges, Net		(6,802)		16,489
Unrealized Gain (Loss) on Interest Rate Swaps Designated as Cash Flow Hedges, Net		(12,023)		(8,767)
Employee Benefit Plan Items, Net		(4,882)		(3,079)
Unrealized Gain (Loss) on Foreign Exchange Contracts Designated as Net Investment Hedges, Net
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss		(3,120)		10,368		0
Unrealized Gain (Loss) on Foreign Exchange Contracts Designated as Net Investment Hedges, Net		(13,488)		10,368
Unrealized Gain (Loss) on Interest Rate Swaps Designated as Cash Flow Hedges, Net [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss		(22,347)		(13,347)		(5,560)
Unrealized Gain (Loss) on Interest Rate Swaps Designated as Cash Flow Hedges, Net		(9,000)		(7,787)
Employee Benefit Plan Items, Net [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss		(16,391)		(13,527)		$ (27,562)
Employee Benefit Plan Items, Net		(2,864)		14,035
Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent		(2,603)	[2]	24,937	[1]
Foreign Currency Translation Adjustment and Other, Net		(958)	[2]	12,964	[1]
Unrealized Gain (Loss) on Foreign Exchange Contracts Designated as Net Investment Hedges, Net		(6,686)		(6,121)
Unrealized Gain (Loss) on Interest Rate Swaps Designated as Cash Flow Hedges, Net		3,023		980
Employee Benefit Plan Items, Net		2,018	[2]	17,114
Intra-entity foreign currency transactions [Member] | Other comprehensive income (loss) before reclassifications [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign Currency Translation Adjustment and Other, Net		$ 31,470		10,630
Reclassification of cumulative translation adjustments to earnings upon sale [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign Currency Translation Adjustment and Other, Net				$ 19,602

[1] Foreign currency translation adjustment includes intra-entity foreign currency transactions that are of a long-term investment nature of $31,470 and $10,630 for 2020 and 2019, respectively.

[2] Foreign currency translation adjustment includes a reclassification of cumulative translation adjustments to earnings upon the sale of three foreign subsidiaries during 2019 of $19,602 (Note 2). Employee Benefit Plan Items, net includes a pre-tax pension settlement expense of $20,111 ($15,257 net of tax) for 2019 (Note 13).