Other Income and Expense (Details) - USD ($) $ in Millions		3 Months Ended
		Jun. 30, 2021	Jun. 30, 2020
Other Income and Expense [Abstract]
Interest income		$ 0.0	$ 0.3
Foreign currency transactions	[1]	0.4	0.5
Net periodic benefit cost	[2]	(0.2)	(0.8)
Total other income - net		$ 0.2	$ 0.0

[1] Foreign currency transactions primarily consist of foreign currency transaction gains and losses on the re-measurement or settlement of foreign currency-denominated assets and liabilities, including intercompany loans and transactions denominated in a foreign currency, along with gains and losses on certain foreign currency exchange contracts.

[2] Net periodic benefit cost for the Company’s pension and postretirement plans is exclusive of service cost.