CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) [Abstract]
Net sales	$ 346.1	$ 392.5
Cost of sales	289.1	324.8
Gross profit	57.0	67.7
Selling, general and administrative expenses	42.8	42.8
Restructuring expenses	2.6	0.8
Operating income	11.6	24.1
Interest expense	(2.8)	(3.1)
Other expense - net	0.0	(0.2)
Earnings before income taxes	8.8	20.8
Provision for income taxes	(3.3)	(6.7)
Net earnings	5.5	14.1
Net earnings attributable to noncontrolling interest	(0.4)	(0.4)
Net earnings attributable to Modine	$ 5.1	$ 13.7
Net earnings per share attributable to Modine shareholders:
Basic (in dollars per share)	$ 0.11	$ 0.29
Diluted (in dollars per share)	$ 0.11	$ 0.28
Weighted - average shares outstanding:
Basic (in shares)	47.3	47.0
Diluted (in shares)	47.8	47.7