Derivative Instruments And Hedging Strategies (Fair Values Of Derivative Instruments) (Details) (Not Designated as Hedging Instrument [Member], USD $) In Thousands, unless otherwise specified	Jun. 30, 2014
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 6,454
Derivative Liability	3,059
Foreign Exchange [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	92
Derivative Liability	60
Interest Rate Swap Agreements [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	0
Derivative Liability	998
Commodity Contract [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	2,012
Derivative Liability	1,983
Commodity Swap, Option And Future Contracts, Non-Exchange Traded [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	4,350
Derivative Liability	$ 18