CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current Assets:
Cash and cash equivalents	$ 169,906	$ 120,526
Restricted cash	33,860	33,860
Accounts receivable (less allowances of $34,645 and $35,544 as of December 31, 2013 and March 31, 2014, respectively)	626,116	616,797
Deferred income taxes	25,975	17,623
Prepaid expenses and other	131,772	144,801
Total Current Assets	987,629	933,607
Property, Plant and Equipment:
Property, plant and equipment	4,642,183	4,631,067
Less-Accumulated depreciation	(2,080,397)	(2,052,807)
Property, Plant and Equipment, net	2,561,786	2,578,260
Other Assets, net:
Goodwill	2,466,001	2,463,352
Customer relationships and acquisition costs	619,610	605,484
Deferred financing costs	43,939	45,607
Other	27,652	26,695
Total Other Assets, net	3,157,202	3,141,138
Total Assets	6,706,617	6,653,005
Current Liabilities:
Current portion of long-term debt	55,084	52,583
Accounts payable	167,637	216,456
Accrued expenses	417,697	461,338
Deferred revenue	227,432	228,724
Total Current Liabilities	867,850	959,101
Long-term Debt, net of current portion	4,288,605	4,119,139
Other Long-term Liabilities	69,944	68,219
Deferred Rent	109,919	104,244
Deferred Income Taxes	319,128	344,468
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 191,426,920 shares and 191,920,929 shares as of December 31, 2013 and March 31, 2014, respectively)	1,919	1,914
Additional paid-in capital	984,585	980,164
Retained earnings	63,297	73,920
Accumulated other comprehensive items, net	(6,983)	(8,660)
Total Iron Mountain Incorporated Stockholders' Equity	1,042,818	1,047,338
Noncontrolling Interests	8,353	10,496
Total Equity	1,051,171	1,057,834
Total Liabilities and Equity	$ 6,706,617	$ 6,653,005