Derivative Instruments (Narrative) (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |
---|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
Dec. 31, 2018 |
|
Derivative | |||
Derivative Instruments in Hedges, Net Investment in Foreign Operations, Assets, Fair Value, Net | $ 9,500,000 | ||
Loss on ineffective hedge | 0 | $ 700,000 | |
Amount of derivaitve cash flow hedge to be repcognized in the next 12 months | 8,400,000 | $ 600,000 | |
Foreign currency derivatives | |||
Derivative | |||
Derivative, Notional Amount | 49,900,000 | $ 19,600,000 | |
Commodity derivative contracts | |||
Derivative | |||
Derivative, Notional Amount | 130,200,000 | 142,100,000 | |
Unrealized (loss) gain in other comprehensive income | $ 20,500,000 | $ 10,700,000 |