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Restructuring (Narrative) (Details)
1 Months Ended
Jun. 30, 2019
June 2019 Plan [Member]  
Restructuring Cost and Reserve [Line Items]  
Approximate reduction in workforce from restructuring plan (percent) 2.00%
August 2020 Plan  
Restructuring Cost and Reserve [Line Items]  
Approximate reduction in workforce from restructuring plan (percent) 14.00%
January 2020 Plan  
Restructuring Cost and Reserve [Line Items]  
Approximate reduction in workforce from restructuring plan (percent) 400.00%