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Restructuring and Other (Restructuring and Other) (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring and other	$ 3.2	$ 3.0
COVID-19 related charges	1.6	10.4
Total restructuring and other and COVID-19 related charges	4.8	13.4
Severance
Restructuring Cost and Reserve [Line Items]
Restructuring and other	2.4	2.2
COVID-19 related charges
Restructuring Cost and Reserve [Line Items]
Restructuring and other	0.3	0.5
Transaction and related costs
Restructuring Cost and Reserve [Line Items]
Restructuring and other	0.5	0.3
Direct operating expense
Restructuring Cost and Reserve [Line Items]
COVID-19 related charges	1.6	5.7
Distribution and marketing
Restructuring Cost and Reserve [Line Items]
COVID-19 related charges	$ 0.0	$ 4.7

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