Date the restructuring activities were initiated or are expected to be initiated, in CCYY-MM-DD format.

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Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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- Definition

Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, 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

Carrying amount as of the balance sheet date of known and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid after one year or beyond the next operating cycle, if longer. 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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Restructuring Costs Restructuring Costs (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended					12 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 employee	Sep. 30, 2012	Sep. 30, 2013 Facility Closing	Sep. 30, 2013 Impairment of Tenant Improvements	Sep. 30, 2013 Impairment of Other Assets [Member]	Dec. 31, 2013 Impairment of Other Assets [Member]	Sep. 30, 2013 Severance
Restructuring Cost and Reserve [Line Items]
Initiation date			Aug. 19, 2013
Restructuring and Related Cost, Number of Positions Eliminated			57
Lease expiration date			Jul. 31, 2015
Restructuring Charges	$ 6,018	$ 0	$ 6,018	$ 0	$ 2,414	$ 1,733	$ 650	$ 650	$ 1,221
Restructuring Reserve, Current	2,438		2,438
Restructuring Reserve, Noncurrent	$ 465		$ 465