CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	0 Months Ended						3 Months Ended		6 Months Ended
	May 28, 2014	Mar. 14, 2014	Dec. 16, 2013	Sep. 11, 2013	Jun. 06, 2013	Mar. 14, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues:
Storage rental							$ 466,889	$ 441,571	$ 925,778	$ 884,040
Service							320,003	312,825	631,240	617,062
Total Revenues							786,892	754,396	1,557,018	1,501,102
Operating Expenses:
Cost of sales (excluding depreciation and amortization)							336,961	321,056	672,106	642,132
Selling, general and administrative							213,807	224,531	428,587	447,982
Depreciation and amortization							88,941	78,928	175,374	159,129
(Gain) Loss on disposal/write-down of property, plant and equipment, net							(107)	(1,663)	(8,414)	(2,202)
Total Operating Expenses							639,602	622,852	1,267,653	1,247,041
Operating Income (Loss)							147,290	131,544	289,365	254,061
Interest Expense, Net (includes Interest Income of $818 and $1,378 for the three months ended and $1,043 and $2,904 for the six months ended June 30, 2013 and 2014, respectively)							62,201	62,989	124,513	126,171
Other Expense (Income), Net							(4,838)	15,275	479	18,014
Income (Loss) from Continuing Operations Before Provision (Benefit) for Income Taxes							89,927	53,280	164,373	109,876
Provision (Benefit) for Income Taxes							(182,775)	25,940	(151,050)	64,384
Income (Loss) from Continuing Operations							272,702	27,340	315,423	45,492
Income (Loss) from Discontinued Operations, Net of Tax							(326)	(98)	(938)	2,086
Net Income (Loss)							272,376	27,242	314,485	47,578
Less: Net Income (Loss) Attributable to Noncontrolling Interests							739	876	1,181	2,024
Net Income (Loss) Attributable to Iron Mountain Incorporated							$ 271,637	$ 26,366	$ 313,304	$ 45,554
Earnings (Losses) per Share-Basic:
Income (Loss) from Continuing Operations (in dollars per share)							$ 1.42	$ 0.14	$ 1.64	$ 0.24
Total Income (Loss) from Discontinued Operations (in dollars per share)							$ 0.00	$ 0.00	$ 0.00	$ 0.01
Net Income (Loss) Attributable to Iron Mountain Incorporated (in dollars per share)							$ 1.41	$ 0.14	$ 1.63	$ 0.24
Earnings (Losses) per Share-Diluted:
Income (Loss) from Continuing Operations (in dollars per share)							$ 1.41	$ 0.14	$ 1.63	$ 0.24
Total Income (Loss) from Discontinued Operations (in dollars per share)							$ 0.00	$ 0.00	$ 0.00	$ 0.01
Net Income (Loss) Attributable to Iron Mountain Incorporated (in dollars per share)							$ 1.40	$ 0.14	$ 1.62	$ 0.24
Weighted Average Common Shares Outstanding-Basic (in shares)							192,381	190,823	192,130	190,518
Weighted Average Common Shares Outstanding-Diluted (in shares)							193,526	192,569	193,298	192,339
Dividends Declared per Common Share (in dollars per share)	$ 0.2700	$ 0.2700	$ 0.2700	$ 0.2700	$ 0.2700	$ 0.2700	$ 0.2705	$ 0.2700	$ 0.5405	$ 0.5400