Guarantees, Commitments and Contingencies (Tables)

12 Months Ended

Mar. 31, 2012

Guarantees, Commitments and Contingencies [Abstract]

Summary of future minimum lease and sublease payments

	Year Ending March 31,
	(In millions)
2013	$	41.9
2014		32.7
2015		20.4
2016		9.0
2017		4.9
2018 and thereafter		7.3
Total minimum lease payments		116.2
Total minimum sublease payments		(10.1	)
Total net minimum lease payments	$	106.1