Restructuring - Changes to the Liability for November 2020 Restructuring Initiative (Details) - 2020 Restructuring Initiative - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2020
Restructuring Reserve [Roll Forward]
Restructuring charges	$ 67,329	$ 75,714
Employee separation, continuity and other benefit-related costs
Restructuring Reserve [Roll Forward]
Beginning liability balance		0
Restructuring charges		53,647
Ending liability balance	$ 53,647	$ 53,647

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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