Other Liabilities (Summary Of Other Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Other Liabilities [Abstract]
Lease liability	$ 5,900	$ 5,855
Security deposit payable	246	174
Other	36	3
Other current liabilities	6,182	6,032
Foreign withholding taxes	6,681	6,480
Straight-line rent liability	9,248	8,893
Environmental reserve	1,656	1,656
Accrued pension	7,207	6,976
Interest rate swap	4,223	5,855
Acquired leases	1,603	2,078
Other payable	888	1,191
Other	567	630
Other liabilities	$ 32,073	$ 33,759