Restructuring and Integration Expenses - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Restructuring and Related Activities [Abstract]
Cumulative business restructuring and integration charges		$ 198,912
Restructuring and integration expenses	$ 0	$ 45,960	$ 87,307

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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