Employee Benefit Plan - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Loss, After Tax		$ 2,922	$ (6,339)	$ 3,795
Other Comprehensive Income (loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Loss Recognized in Net Periodic Benefit Cost, After Tax		15,797	1,758	12,070
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Actuarial Loss, After Tax	$ 14,253	14,253	26,939
Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year	1,218	1,218
Defined Contribution Plan, Cost		19,655	20,523	13,627
Defined Contribution Plan, Employer Discretionary Contribution Amount			7,503	7,574
Supplemental Employee Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Benefit Obligation, Payment for Settlement		0	0
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement		0	0
International [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Cost		21,025	18,996	18,815
Wyle Defined Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Benefit Obligation, Payment for Settlement		59,311	0	42,985
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	$ (20,111)	$ (20,111)	$ 0	$ (16,706)