Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations.

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Amount of any reversal and other adjustment made during the period to the amount of a previously accrued liability for a specified type of restructuring cost, excluding adjustments for costs incurred during the period, costs settled during the period, and foreign currency translation adjustments.

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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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Facilities Realignment (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Current	$ 1,085		$ 1,495
Restructuring Reserve, Noncurrent	1,340		1,785
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Balance as of December 31, 2011	3,279
Accretion	71	71
Adjustments	0
Payments	(925)
Restructuring Reserve, Balance as of June 30, 2012	2,425
Sales Services [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Balance as of December 31, 2011	2,027
Accretion	56
Adjustments	0
Payments	(669)
Restructuring Reserve, Balance as of June 30, 2012	1,414
Marketing Services [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Balance as of December 31, 2011	637
Accretion	0
Adjustments	0
Payments	(103)
Restructuring Reserve, Balance as of June 30, 2012	534
Segment, Discontinued Operations [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Balance as of December 31, 2011	615
Accretion	15
Adjustments	0
Payments	(153)
Restructuring Reserve, Balance as of June 30, 2012	$ 477