Derivative Financial Instruments - Summary of Gain (Loss) on Derivative Instruments (Details) - Foreign exchange contracts - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Cash flow hedges | Cash flow hedging | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| (Losses) gains recognized in other comprehensive income (OCI) | $ (2.6) | $ (0.5) | $ 4.4 |
| (Losses) gains reclassified from AOCI | (0.6) | 1.5 | 3.8 |
| Non-designated hedges | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| (Losses) gains recognized in income | $ (2.0) | $ 0.8 | $ 0.0 |
| X | ||||||||||
- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|