CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	0 Months Ended								3 Months Ended		9 Months Ended
	Sep. 11, 2013	Jun. 06, 2013	Mar. 14, 2013	Dec. 14, 2012	Oct. 11, 2012	Sep. 06, 2012	Jun. 05, 2012	Mar. 08, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenues:
Storage rental									$ 445,317	$ 434,665	$ 1,329,357	$ 1,293,442
Service									310,322	313,460	928,034	953,346
Total Revenues									755,639	748,125	2,257,391	2,246,788
Operating Expenses:
Cost of sales (excluding depreciation and amortization)									310,665	310,344	952,797	938,702
Selling, general and administrative									225,205	204,498	673,187	618,673
Depreciation and amortization									79,659	80,944	238,788	236,462
(Gain) Loss on disposal/write-down of property, plant and equipment, net									(173)	(1,627)	(2,375)	(1,515)
Total Operating Expenses									615,356	594,159	1,862,397	1,792,322
Operating Income (Loss)									140,283	153,966	394,994	454,466
Interest Expense, Net (includes Interest Income of $596 and $1,075 for the three months ended and $1,951 and $2,118 for the nine months ended September 30, 2012 and 2013, respectively)									64,485	61,381	190,656	178,381
Other Expense (Income), Net									45,953	7,746	63,967	14,508
Income (Loss) from Continuing Operations Before Provision (Benefit) for Income Taxes									29,845	84,839	140,371	261,577
Provision (Benefit) for Income Taxes									24,317	31,120	88,955	105,344
Income (Loss) from Continuing Operations									5,528	53,719	51,416	156,233
(Loss) Income from Discontinued Operations, Net of Tax									(571)	32	1,515	(5,700)
(Loss) Gain on Sale of Discontinued Operations, Net of Tax												(1,885)
Net Income (Loss)									4,957	53,751	52,931	148,648
Less: Net Income (Loss) Attributable to Noncontrolling Interests									910	942	2,934	2,434
Net Income (Loss) Attributable to Iron Mountain Incorporated									$ 4,047	$ 52,809	$ 49,997	$ 146,214
Earnings (Losses) per Share-Basic:
Income (Loss) from Continuing Operations (in dollars per share)									$ 0.03	$ 0.31	$ 0.27	$ 0.91
Total (Loss) Income from Discontinued Operations (in dollars per share)											$ 0.01	$ (0.04)
Net Income (Loss) Attributable to Iron Mountain Incorporated (in dollars per share)									$ 0.02	$ 0.31	$ 0.26	$ 0.85
Earnings (Losses) per Share-Diluted:
Income (Loss) from Continuing Operations (in dollars per share)									$ 0.03	$ 0.31	$ 0.27	$ 0.91
Total (Loss) Income from Discontinued Operations (in dollars per share)											$ 0.01	$ (0.04)
Net Income (Loss) Attributable to Iron Mountain Incorporated (in dollars per share)									$ 0.02	$ 0.31	$ 0.26	$ 0.85
Weighted Average Common Shares Outstanding-Basic (in shares)									191,332	171,776	190,789	171,464
Weighted Average Common Shares Outstanding-Diluted (in shares)									192,268	173,047	192,315	172,500
Dividends Declared per Common Share (in dollars per share)	$ 0.2700	$ 0.2700	$ 0.2700	$ 0.2700	$ 4.0600	$ 0.2700	$ 0.2700	$ 0.2500	$ 0.2700	$ 0.2700	$ 0.8100	$ 0.7900