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Restructuring Activities (Tables)	6 Months Ended
Restructuring Activities (Tables)	Jun. 30, 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 1,473 Cash payments (4,214) Currency translation adjustments (229) Accrued restructuring as of June 30, 2021 $ 5,278