RESTRUCTURING AND OTHER EXIT COSTS - Summary of Accrual Activity (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013
Restructuring Reserve [Roll Forward]
Accrued restructuring and other exit costs, beginning balance	$ 1,371
Accrued restructuring and other exit costs, accrued	601
Accrued restructuring and other exit costs, incurred	(540)
Accrued restructuring and other exit costs, ending balance	1,432
Employee separation costs
Restructuring Reserve [Roll Forward]
Accrued restructuring and other exit costs, beginning balance	1,350
Accrued restructuring and other exit costs, accrued	601
Accrued restructuring and other exit costs, incurred	(524)
Accrued restructuring and other exit costs, ending balance	1,427
Contract exit and termination costs
Restructuring Reserve [Roll Forward]
Accrued restructuring and other exit costs, beginning balance	21
Accrued restructuring and other exit costs, accrued	0
Accrued restructuring and other exit costs, incurred	(16)
Accrued restructuring and other exit costs, ending balance	$ 5

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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Net total Increase or Decrease in the accrual for restructuring costs during the reporting period.

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- Definition

Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

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