Derivative Financial Instruments (Fair Value Of Cash Flow Hedges) (Details) (USD $)	Jun. 30, 2013		Dec. 31, 2012
Derivatives, Fair Value [Line Items]
Outstanding foreign currency forward contracts	$ 0
Derivatives not accounted for as a hedging instrument	0
Notional amount of derivatives	13,333,000	[1]	14,000,000	[1]
Interest rate swap
Derivatives, Fair Value [Line Items]
Notional amount of derivatives	13,333,000	[1]	14,000,000	[1]
Other Assets
Derivatives, Fair Value [Line Items]
Derivative asset fair value	0		0
Other Assets | Interest rate swap
Derivatives, Fair Value [Line Items]
Derivative asset fair value	0		0
Other Long-Term Liabilities
Derivatives, Fair Value [Line Items]
Derivative liability fair value	578,000		855,000
Other Long-Term Liabilities | Interest rate swap
Derivatives, Fair Value [Line Items]
Derivative liability fair value	$ 578,000		$ 855,000

[1] Notional amounts represent the gross contract/notional amount of the derivatives outstanding.