Restructuring and Severance Costs and Related Asset Write-Downs (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2009
Restructuring and Severance Costs and Related Asset Write-Downs [Abstract]
Restructuring and severance costs	$ 37,874
Employee termination costs	33,142
Number of positions eliminated	2,571
Other exit costs	4,732
Asset write-downs	$ 681

The charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value.

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The charge against earnings in the period, comprised of costs incurred associated with an exit or disposal activity other than for a discontinued operations as defined under generally accepted accounting principles. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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- Definition

The charge against earnings in the period for known and estimated costs of termination benefits provided to current employees that are involuntarily terminated under a benefit arrangement associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination or a discontinued operation as defined by generally accepted accounting principles and costs associated with one-time termination benefits.

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