Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Mar. 31, 2013

Quarterly Financial Data (Unaudited) [Abstract]

Summary of quarterly financial data

Quarterly financial data is summarized below for the years ended March 31, 2013 and 2012:

Fiscal 2013 quarters ended	June			Sept.			Dec.			March
Net sales	$	350.4		$	339.9		$	326.1		$	359.6
Gross profit		51.7			52.6			48.2			56.1
Loss from continuing operations		(1.0	)		(11.8	)		(8.4	)		(1.6	)
Net loss attributable to Modine		(1.2	)		(12.2	)		(8.7	)		(2.1	)
Loss per share from continuing operations:
Basic	$	(0.03	)	$	(0.26	)	$	(0.19	)	$	(0.04	)
Diluted		(0.03	)		(0.26	)		(0.19	)		(0.04	)
Net loss per share attributable to Modine shareholders:
Basic	$	(0.03	)	$	(0.26	)	$	(0.19	)	$	(0.04	)
Diluted		(0.03	)		(0.26	)		(0.19	)		(0.04	)

Fiscal 2012 quarters ended	June		Sept.		Dec.		March
Net sales	$	417.9	$	397.2	$	373.3	$	388.8
Gross profit		69.8		62.4		60.1		64.3
Earnings from continuing operations		12.6		0.9		8.8		15.7
Net earnings attributable to Modine		12.6		1.3		9.0		15.6
Earnings per share from continuing operations:
Basic	$	0.27	$	0.02	$	0.18	$	0.33
Diluted		0.27		0.02		0.18		0.33
Net earnings per share attributable to Modine shareholders:
Basic	$	0.27	$	0.03	$	0.19	$	0.33
Diluted		0.27		0.03		0.19		0.33