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Restructuring and Other Similar Charges - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Restructuring and Related Activities [Abstract]        
Accelerated depreciation $ 0.7 $ 1.2 $ 1.3 $ 2.5