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Composition of Certain Financial Statement Captions (Property And Equipment) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Property and Equipment [Line Items]
Property and equipment, gross	$ 651,650		$ 651,650		$ 645,398
Less: Accumulated depreciation	(484,087)		(484,087)		(474,034)
Property and Equipment, net	167,563		167,563		171,364
Depreciation expense	8,367	$ 8,781	16,756	$ 17,312
Buildings
Property and Equipment [Line Items]
Property and equipment, gross	217,678		217,678		216,968
Equipment
Property and Equipment [Line Items]
Property and equipment, gross	193,801		193,801		193,096
Land
Property and Equipment [Line Items]
Property and equipment, gross	26,450		26,450		26,450
Purchased software
Property and Equipment [Line Items]
Property and equipment, gross	167,315		167,315		165,348
Furniture and fixtures
Property and Equipment [Line Items]
Property and equipment, gross	23,104		23,104		23,025
Leasehold improvements
Property and Equipment [Line Items]
Property and equipment, gross	22,278		22,278		19,827
Construction in progress
Property and Equipment [Line Items]
Property and equipment, gross	$ 1,024		$ 1,024		$ 684

X

- Definition

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

+ References

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X

- Definition

The expense recognized in the current period that allocates the cost of nonproduction tangible assets over their useful lives.

+ References

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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