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Restructuring Activities (Tables)	6 Months Ended
Restructuring Activities (Tables)	Jun. 30, 2020
Restructuring And Related Activities [Abstract]
Restructuring and Related Costs [Table Text Block]	QH Program Accrued restructuring as of December 31, 2019 $ 18,043 Restructuring and related charges 2,202 Cash payments (9,592) Currency translation adjustments (221) Accrued restructuring as of June 30, 2020 $ 10,432