CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) [Abstract]
Net earnings	$ 14.1	$ 10.6
Other comprehensive income (loss):
Foreign currency translation	1.7	(4.3)
Defined benefit plans, net of income taxes of $0.5 and $0	0.9	1.3
Cash flow hedges, net of income taxes of $0	0	0.1
Total other comprehensive income (loss)	2.6	(2.9)
Comprehensive income	16.7	7.7
Comprehensive income attributable to noncontrolling interest	(0.6)	(0.6)
Comprehensive income attributable to Modine	$ 16.1	$ 7.1