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Interest and Other Expenses (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Other Nonoperating Income (Expense) [Abstract]    
Interest expense $ 9.5 $ 8.0
Interest income (0.7) (0.5)
Foreign exchange losses 0.9 0.7
Miscellaneous expenses, net 3.0 2.4
Interest and other expenses $ 12.7 $ 10.6