Derivatives And Fair Value Measurements (Schedule Of Fair Value Measurements Using Input Levels Asset/(Liability)) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012
Interest Rate Swaps [Member]
Derivatives And Fair Value Measurements [Line Items]
Fair value of derivative liability	$ (3,406)
Interest Rate Swaps [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives And Fair Value Measurements [Line Items]
Fair value of derivative liability
Interest Rate Swaps [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives And Fair Value Measurements [Line Items]
Fair value of derivative liability	(3,406)
Interest Rate Swaps [Member] | Fair Value, Inputs, Level 3 [Member]
Derivatives And Fair Value Measurements [Line Items]
Fair value of derivative liability
Foreign Currency Forward Contracts [Member]
Derivatives And Fair Value Measurements [Line Items]
Fair value of derivative liability	171
Foreign Currency Forward Contracts [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives And Fair Value Measurements [Line Items]
Fair value of derivative liability
Foreign Currency Forward Contracts [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives And Fair Value Measurements [Line Items]
Fair value of derivative liability	171
Foreign Currency Forward Contracts [Member] | Fair Value, Inputs, Level 3 [Member]
Derivatives And Fair Value Measurements [Line Items]
Fair value of derivative liability