CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current Assets:
Cash and cash equivalents	$ 172,031	$ 243,415
Restricted cash	33,613	33,612
Accounts receivable (less allowances of $25,209 and $26,791 as of December 31, 2012 and September 30, 2013, respectively)	614,649	572,200
Deferred income taxes	15,828	10,152
Prepaid expenses and other	106,357	164,713
Total Current Assets	942,478	1,024,092
Property, Plant and Equipment:
Property, plant and equipment	4,581,272	4,443,323
Less-Accumulated depreciation	(2,075,290)	(1,965,596)
Property, Plant and Equipment, net	2,505,982	2,477,727
Other Assets, net:
Goodwill	2,376,081	2,334,759
Customer relationships and acquisition costs	488,308	456,120
Deferred financing costs	47,016	43,850
Other	20,914	21,791
Total Other Assets, net	2,932,319	2,856,520
Total Assets	6,380,779	6,358,339
Current Liabilities:
Current portion of long-term debt	51,533	92,887
Accounts payable	164,969	168,120
Accrued expenses	402,613	426,813
Deferred revenue	209,385	217,133
Total Current Liabilities	828,500	904,953
Long-term Debt, net of current portion	3,973,799	3,732,116
Other Long-term Liabilities	70,789	62,917
Deferred Rent	99,306	97,356
Deferred Income Taxes	336,219	398,549
Commitments and Contingencies (see Note 8)
Iron Mountain Incorporated Stockholders' Equity:
Preferred stock (par value $0.01; authorized 10,000,000 shares; none issued and outstanding)
Common stock (par value $0.01; authorized 400,000,000 shares; issued and outstanding 190,005,788 shares and 191,212,860 shares as of December 31, 2012 and September 30, 2013, respectively)	1,912	1,900
Additional paid-in capital	982,443	942,199
Retained earnings	78,862	185,558
Accumulated other comprehensive items, net	(4,497)	20,314
Total Iron Mountain Incorporated Stockholders' Equity	1,058,720	1,149,971
Noncontrolling Interests	13,446	12,477
Total Equity	1,072,166	1,162,448
Total Liabilities and Equity	$ 6,380,779	$ 6,358,339