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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, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Property and Equipment [Line Items]
Property and equipment, gross	$ 602,994		$ 602,994		$ 588,117
Less: Accumulated depreciation	(424,048)		(424,048)		(409,248)
Property and Equipment, net	178,946		178,946		178,869
Depreciation expense	8,286	$ 8,424	16,384	$ 16,733
Buildings
Property and Equipment [Line Items]
Property and equipment, gross	209,907		209,907		209,766
Equipment
Property and Equipment [Line Items]
Property and equipment, gross	167,591		167,591		153,158
Land
Property and Equipment [Line Items]
Property and equipment, gross	26,411		26,411		24,651
Purchased software
Property and Equipment [Line Items]
Property and equipment, gross	156,569		156,569		156,387
Furniture and fixtures
Property and Equipment [Line Items]
Property and equipment, gross	21,323		21,323		21,254
Leasehold improvements
Property and Equipment [Line Items]
Property and equipment, gross	20,617		20,617		21,946
Construction in progress
Property and Equipment [Line Items]
Property and equipment, gross	$ 576		$ 576		$ 955

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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- 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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No definition available.

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