Restructuring - Pre-tax Net Charges Included in the Condensed Consolidated Statement of Operations (Details) - 2020 Restructuring Initiative - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 67,329	$ 75,714
Cost of revenues
Restructuring Cost and Reserve [Line Items]
Restructuring charges	36,172	42,198
Selling, general and administrative
Restructuring Cost and Reserve [Line Items]
Restructuring charges	20,185	22,130
Research and development
Restructuring Cost and Reserve [Line Items]
Restructuring charges	3,581	3,995
Asset impairment charges
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 7,391	$ 7,391