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, 2013
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 6,781
Derivative Liability	5,473
Foreign Exchange [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	298
Derivative Liability	390
Interest Rate Swap Agreements [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	0
Derivative Liability	4,271
Options On Equities And Equity Indices [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	415
Derivative Liability	0
Commodity Swap, Option And Future Contracts, Non-Exchange Traded [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	5,514
Derivative Liability	109
Commodity Contract [Member]
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Asset	554
Derivative Liability	$ 703