CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) [Abstract]
Net sales	$ 392.5	$ 375.8
Cost of sales	324.8	313.9
Gross profit	67.7	61.9
Selling, general and administrative expenses	42.8	42.4
Restructuring expenses	0.8	0.5
Operating income	24.1	19.0
Interest expense	(3.1)	(3.0)
Other expense - net	(0.2)	(0.5)
Earnings before income taxes	20.8	15.5
Provision for income taxes	(6.7)	(4.9)
Net earnings	14.1	10.6
Net earnings attributable to noncontrolling interest	(0.4)	(0.6)
Net earnings attributable to Modine	$ 13.7	$ 10.0
Net earnings per share attributable to Modine shareholders:
Basic (in dollars per share)	$ 0.29	$ 0.21
Diluted (in dollars per share)	$ 0.28	$ 0.21
Weighted average shares outstanding:
Basic (in shares)	47.0	46.7
Diluted (in shares)	47.7	47.3