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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- Definition

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

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- Definition

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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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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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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Composition of Certain Financial Statement Captions (Property And Equipment) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property and Equipment, gross	$ 407,812		$ 403,478
Less: Accumulated depreciation	(266,022)		(259,501)
Property and Equipment, net	141,790		143,977
Depreciation expense	6,447	$ 5,995
Building [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, gross	151,623		151,604
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, gross	89,605		86,941
Land [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, gross	10,030		10,003
Purchased Software [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, gross	122,561		122,433
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, gross	17,248		16,143
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, gross	15,756		15,393
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, gross	$ 989		$ 961