Common and Treasury Stock (Tables)

12 Months Ended

Mar. 31, 2013

Common and Treasury Stock [Abstract]

Summary of common and treasury stock activity

Following is a summary of common and treasury stock activity:

	Common stock				Treasury stock at cost
	Shares		Amount		Shares			Amount
Balance, March 31, 2010		46.8	$	29.2		(0.6	)	$	(13.9	)
Purchase of treasury stock		-		-		-			(0.1	)
Stock options and awards		0.3		0.2		-			-
Balance, March 31, 2011		47.1		29.4		(0.6	)		(14.0	)
Purchase of treasury stock		-		-		-			(0.5	)
Stock options and awards		0.3		0.2		-			-
Balance, March 31, 2012		47.4		29.6		(0.6	)		(14.5	)
Purchase of treasury stock		-		-		-			(0.1	)
Stock options and awards		0.4		0.3		-			-
Balance, March 31, 2013		47.8	$	29.9		(0.6	)	$	(14.6	)