Annual report pursuant to Section 13 and 15(d)

Lease Obligations - Future Minimum Rental Commitments for Non-Cancelable Operating Leases (Detail)

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Lease Obligations - Future Minimum Rental Commitments for Non-Cancelable Operating Leases (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Leases [Abstract]  
Operating leases due, 2014 $ 54.0
Operating leases due, 2015 45.4
Operating leases due, 2016 30.0
Operating leases due, 2017 19.0
Operating leases due, 2018 14.7
Operating leases due, Thereafter 16.6
Operating leases due, Total $ 179.7