The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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- Definition

Gross amount, at the balance sheet date, of long-lived physical assets used in the normal conduct of business and not intended for resale. This can include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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- Definition

Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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Note 8 - Property and Equipment (Details) (USD $)	12 Months Ended
Note 8 - Property and Equipment (Details) (USD $)	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 441,201,000	$ 409,778,000
Accumulated depreciation and amortization	269,480,000	245,623,000
Property, Plant and Equipment, Net	171,721,000	164,155,000
Depreciation and amortization expense	28,900,000	26,700,000	28,800,000
Amortization of Intangible Assets	3,000,000
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	23,157,000	23,108,000
Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	148,323,000	146,604,000
Equipment and Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	232,793,000	206,935,000
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	23,440,000	22,952,000
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	7,652,000	6,773,000
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	5,836,000	3,406,000
Assets Held under Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Accumulated depreciation and amortization		11,300,000
Equipment and software		5,000,000
Amortization expense under assets held as capital leases	$ 4,400,000