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Restructuring Activities (Tables)	3 Months Ended
Restructuring Activities (Tables)	Mar. 31, 2021
Restructuring And Related Activities [Abstract]
Restructuring and Related Costs [Table Text Block]	QH Program Accrued restructuring as of December 31, 2020 $ 8,248 Restructuring and related charges 1,175 Cash payments (3,034) Currency translation adjustments (419) Accrued restructuring as of March 31, 2021 $ 5,970