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Supplemental Balance Sheet Information (Schedule Of Leasehold Improvements, Property And Equipment) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Supplemental Balance Sheet Information [Abstract]
Land	$ 12,943	$ 12,943
Leasehold improvements and buildings	1,765,464	1,689,873
Furniture and fixtures	182,391	173,252
Equipment	653,909	543,869
Construction in Progress	45,422	42,824
Leasehold improvements, property and equipment	2,660,129	2,462,761
Accumulated depreciation	(1,201,439)	(1,083,507)
Leasehold improvements, property and equipment, net	$ 1,458,690	$ 1,379,254

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

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