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Restructuring Activities (Tables)	12 Months Ended
Restructuring Activities (Tables)	Dec. 31, 2020
Restructuring And Related Activities [Abstract]
Restructuring and Related Costs [Table Text Block]	QH Program Accrued restructuring as of December 31, 2018 $ - Restructuring and related charges 26,678 Cash payments (8,899) Currency translation adjustments 264 Accrued restructuring as of December 31, 2019 18,043 Restructuring and related charges 5,541 Cash payments (15,745) Currency translation adjustments 409 Accrued restructuring as of December 31, 2020 $ 8,248