Impairment, Restructuring and Other Exit Costs - Restructuring Liability (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restructuring Reserve
Restructuring charges accrued during the period	$ 43,792	$ 108,357	$ 318,442
Total
Restructuring Reserve
Beginning balance	16,587	31,043
Restructuring charges accrued during the period		5,992
Cash payments / settlements during the period	(16,484)	(19,651)
Currency translation	(103)	(797)
Ending balance	0	16,587	31,043
Severance
Restructuring Reserve
Beginning balance	16,481	30,479
Restructuring charges accrued during the period		5,256
Cash payments / settlements during the period	(16,378)	(18,858)
Currency translation	(103)	(396)
Ending balance	0	16,481	30,479
Other Exit Costs
Restructuring Reserve
Beginning balance	106	564
Restructuring charges accrued during the period		736
Cash payments / settlements during the period	(106)	(793)
Currency translation	0	(401)
Ending balance	$ 0	$ 106	$ 564