CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	0 Months Ended							3 Months Ended		6 Months Ended
	Jun. 06, 2013	Mar. 14, 2013	Dec. 14, 2012	Oct. 11, 2012	Sep. 06, 2012	Jun. 05, 2012	Mar. 08, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues:
Storage rental								$ 441,571	$ 433,436	$ 884,040	$ 858,777
Service								313,150	318,729	617,712	639,886
Total Revenues								754,721	752,165	1,501,752	1,498,663
Operating Expenses:
Cost of sales (excluding depreciation and amortization)								321,056	313,060	642,132	628,358
Selling, general and administrative								224,531	203,515	447,982	414,175
Depreciation and amortization								78,928	77,510	159,129	155,518
(Gain) Loss on disposal/write-down of property, plant and equipment, net								(1,663)	(607)	(2,202)	112
Total Operating Expenses								622,852	593,478	1,247,041	1,198,163
Operating Income (Loss)								131,869	158,687	254,711	300,500
Interest Expense, Net (includes Interest Income of $810 and $818 for the three months ended and $1,355 and $1,043 for the six months ended June 30, 2012 and 2013, respectively)								62,989	58,216	126,171	117,000
Other Expense (Income), Net								15,275	10,066	18,014	6,762
Income (Loss) from Continuing Operations Before Provision (Benefit) for Income Taxes								53,605	90,405	110,526	176,738
Provision (Benefit) for Income Taxes								26,067	48,964	64,638	74,224
Income (Loss) from Continuing Operations								27,538	41,441	45,888	102,514
(Loss) Income from Discontinued Operations, Net of Tax								(98)	(639)	2,086	(5,732)
(Loss) Gain on Sale of Discontinued Operations, Net of Tax									(1,885)		(1,885)
Net Income (Loss)								27,440	38,917	47,974	94,897
Less: Net Income (Loss) Attributable to Noncontrolling Interests								876	862	2,024	1,492
Net Income (Loss) Attributable to Iron Mountain Incorporated								$ 26,564	$ 38,055	$ 45,950	$ 93,405
Earnings (Losses) per Share-Basic:
Income (Loss) from Continuing Operations (in dollars per share)								$ 0.14	$ 0.24	$ 0.24	$ 0.60
Total (Loss) Income from Discontinued Operations (in dollars per share)								$ 0.00	$ (0.01)	$ 0.01	$ (0.04)
Net Income (Loss) Attributable to Iron Mountain Incorporated (in dollars per share)								$ 0.14	$ 0.22	$ 0.24	$ 0.55
Earnings (Losses) per Share-Diluted:
Income (Loss) from Continuing Operations (in dollars per share)								$ 0.14	$ 0.24	$ 0.24	$ 0.60
Total (Loss) Income from Discontinued Operations (in dollars per share)								$ 0.00	$ (0.01)	$ 0.01	$ (0.04)
Net Income (Loss) Attributable to Iron Mountain Incorporated (in dollars per share)								$ 0.14	$ 0.22	$ 0.24	$ 0.54
Weighted Average Common Shares Outstanding-Basic (in shares)								190,823	171,296	190,518	171,308
Weighted Average Common Shares Outstanding-Diluted (in shares)								192,569	172,231	192,339	172,227
Dividends Declared per Common Share (in dollars per share)	$ 0.2700	$ 0.2700	$ 0.2700	$ 4.0600	$ 0.2700	$ 0.2700	$ 0.2500	$ 0.2700	$ 0.2700	$ 0.5400	$ 0.5200