Property And Equipment (Summary Of Property & Equipment) (Details) - USD ($) $ in Thousands		Dec. 31, 2015	Dec. 31, 2014
Property And Equipment [Abstract]
Machinery and equipment		$ 36,864	$ 48,989
Leasehold improvements		81,593	91,962
Furniture, fixtures and other		23,576	23,818
Assets held for sale	[1]	1,595
Construction-in-progress		3,512	3,318
Property and equipment, gross	[2]	147,140	168,087
Less: Accumulated depreciation	[3]	(97,650)	(99,799)
Property and equipment, net		$ 49,490	$ 68,288

[1] This amount represents the South Africa disposal group assets held for sale.

[2] Includes $0.1 million and $0.2 million of certain equipment held under capital leases and classified as equipment as of December 31, 2015 and 2014, respectively.

[3] Includes $0.0 million and $0.1 million of accumulated depreciation related to certain equipment held under capital leases as of December 31, 2015 and 2014, which are depreciated using the straight-line method over the lease term. During the year ended December 31, 2015, approximately $11.0 million of accumulated depreciation was related to assets that were written off or disposed.