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DESCRIPTION OF THE COMPANY AND NATURE OF OPERATIONS - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Sep. 30, 2011 Location Point
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of data centers				38
Number of service centers				77
Accumulated deficit	$ (1,041,872)	$ (1,040,170)
Net cash flows provided by operating activities	$ 28,630	$ 39,602	$ 37,520
Networked
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of points of presence				18
Standalone
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Number of points of presence				1

The net cash from (used in) all of the entity's operating activities, including those of discontinued operations, of the reporting entity. Operating activities generally involve producing and delivering goods and providing services. Operating activity cash flows include transactions, adjustments, and changes in value that are not defined as investing or financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label.

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