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Commitments and Contingencies - Estimated Future Minimum Annual Rental Commitments Under Non-Cancelable Real and Personal Property Leases (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Commitments And Contingencies Disclosure [Abstract]  
2014 $ 64.4
2015 46.7
2016 30.6
2017 18.8
2018 11.1
Thereafter 23.3
Total $ 194.9