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Retirement Benefit Plans - Summary of Benefits Expected to be Paid Out (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
U.S. and Puerto Rico [Member]
Dec. 31, 2012
Foreign-based defined benefit plans [Member]
Schedule of Expected Future Pension Benefit Payment [Line Items]    
2014 $ 11.5 $ 18.3
2015 11.6 19.4
2016 13.3 19.2
2017 14.7 19.3
2018 16.3 19.9
2019-2023 $ 104.8 $ 106.0