CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands	12 Months Ended
Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
Net Income (Loss)	$ (48,992)	$ 222,306	$ 81,943
Other Comprehensive Income (Loss):
Foreign Currency Translation Adjustments	2,288	69,455	(115,619)
Market Value Adjustments for Securities, Net of Tax			(663)
Total Other Comprehensive (Loss) Income	2,288	69,455	(116,282)
Comprehensive (Loss) Income	(46,704)	291,761	(34,339)
Comprehensive (Loss) Income Attributable to Noncontrolling Interests	5,375	2,008	(1,100)
Comprehensive (Loss) Income Attributable to Iron Mountain Incorporated	$ (52,079)	$ 289,753	$ (33,239)

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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-Publisher AICPA
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The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to noncontrolling interests, if any. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the economic entity, including both controlling (parent) and noncontrolling interests. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, including any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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Gross appreciation or the gross loss in value of the total unsold securities at the end of an accounting period, after tax.

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Adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity, net of tax.

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This element represents Other Comprehensive Income (Loss), Net of Tax, for the period. Includes deferred gains (losses) on qualifying hedges, unrealized holding gains (losses) on available-for-sale securities, minimum pension liability, and cumulative translation adjustment.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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