Derivative Instruments, Non-Designated Hedges (Details) - USD ($) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
Foreign exchange contract [Member] | Other (expense) income, net [Member] | |||
Derivative Instruments, Gain (Loss) [Line Items] | |||
Gain (loss) on non-designated derivatives | $ (0.5) | $ (0.6) | $ (2.4) |