CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net earnings	$ 14.3	$ 2.8
Other comprehensive income (loss), net of income taxes:
Foreign currency translation	(23.9)	5.2
Defined benefit plans	1.3	3.4
Cash flow hedges	(1.6)	(0.4)
Total other comprehensive income (loss)	(24.2)	8.2
Comprehensive income (loss)	(9.9)	11.0
Comprehensive loss (income) attributable to noncontrolling interest	0.4	(0.7)
Comprehensive income (loss) attributable to Modine	$ (9.5)	$ 10.3