Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Commitments and Contingencies - Future Minimum Lease Payments for Non-Cancellable Operating Leases (Detail)

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Commitments and Contingencies - Future Minimum Lease Payments for Non-Cancellable Operating Leases (Detail) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2013
Future Minimum Payments Under Non Cancelable Operating Leases With Initial Terms Of One Year Or More [Line Items]  
2014 $ 21.2
2015 19.7
2016 17.2
2017 7.2
2018 6.8
Thereafter 13.3
Total $ 85.4