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(Income) or Expense Recognized in Earnings Related to Fair Value Hedges (Detail) - Financial Services - Interest and other borrowing expenses - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Derivative [Line Items]      
Interest-rate swaps $ (0.9) $ 0.1 $ 0.7
Term notes $ 0.2 $ (2.6) $ (5.1)