XML 66 R55.htm IDEA: XBRL DOCUMENT v3.19.2
Derivative Financial Instruments (Narrative) (Details) - Foreign currency forward contracts
$ in Millions
6 Months Ended
Jun. 30, 2019
USD ($)
derivative_instrument
Derivatives Not Designated as Hedging Instruments  
Derivative [Line Items]  
Approximate number of derivatives per quarter | derivative_instrument 10
Average size of derivative contracts | $ $ 2.0
Cash Flow Hedges  
Derivative [Line Items]  
Approximate number of derivatives per quarter | derivative_instrument 10
Average size of derivative contracts | $ $ 6.0
Estimated term of reclassification from OCI to Income 12 months
Maximum number of days after hedge period allowed before de-designation 60 days
Minimum | Derivatives Not Designated as Hedging Instruments  
Derivative [Line Items]  
Term of derivative contracts 1 month
Maximum  
Derivative [Line Items]  
Term of derivative contracts 6 months
Maximum | Derivatives Not Designated as Hedging Instruments  
Derivative [Line Items]  
Term of derivative contracts 3 months
Maximum | Cash Flow Hedges  
Derivative [Line Items]  
Term of derivative contracts 6 months