Fair Value Measurement (Financial Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Level I [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	$ 13,032	$ 63,029
Foreign Currency Contract, Asset, Fair Value Disclosure		0
Interest rate swap contracts	0	0
Level II [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Foreign Currency Contract, Asset, Fair Value Disclosure		2,577
Interest rate swap contracts	11,070	12,713
Level III [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Foreign Currency Contract, Asset, Fair Value Disclosure		0
Interest rate swap contracts	0	0
Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	13,032	63,029
Foreign Currency Contract, Asset, Fair Value Disclosure		2,577
Interest rate swap contracts	$ 11,070	$ 12,713