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Composition of Certain Financial Statement Captions (Property And Equipment) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Property and Equipment [Line Items]
Property and equipment, gross	$ 642,818		$ 642,818		$ 621,890
Less: Accumulated depreciation	(465,297)		(465,297)		(440,861)
Property and Equipment, net	177,521		177,521		181,029
Depreciation expense	9,197	$ 8,558	26,509	$ 24,942
Buildings
Property and Equipment [Line Items]
Property and equipment, gross	216,572		216,572		210,626
Equipment
Property and Equipment [Line Items]
Property and equipment, gross	192,187		192,187		179,318
Land
Property and Equipment [Line Items]
Property and equipment, gross	26,450		26,450		26,439
Purchased software
Property and Equipment [Line Items]
Property and equipment, gross	164,844		164,844		160,714
Furniture and fixtures
Property and Equipment [Line Items]
Property and equipment, gross	22,580		22,580		21,956
Leasehold improvements
Property and Equipment [Line Items]
Property and equipment, gross	19,602		19,602		20,879
Construction in progress
Property and Equipment [Line Items]
Property and equipment, gross	$ 583		$ 583		$ 1,958

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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- Definition

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

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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.

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+ References

No definition available.

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