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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2024
Accounting Policies [Abstract] |
Schedule of Allowance for doubtful accounts and credit memo reserves | The rollforward of the allowance for doubtful accounts and credit memo reserves is as follows:
YEAR ENDED DECEMBER 31, | BALANCE AT BEGINNING OF THE YEAR |  | CREDIT MEMOS CHARGED TO REVENUE |  | ALLOWANCE FOR BAD DEBTS CHARGED TO EXPENSE |  | DEDUCTIONS AND OTHER(1) |  | BALANCE AT END OF THE YEAR
2024 | $ | 74,762 |  |  | $ | 104,130 |  |  | $ | 45,123 |  |  | $ | (137,303) |  |  | $ | 86,712 |
2023 | 54,143 |  |  | 92,881 |  |  | 32,692 |  |  | (104,954) |  |  | 74,762 |
2022 | 62,009 |  |  | 62,891 |  |  | 13,666 |  |  | (84,423) |  |  | 54,143 |
(1)Primarily consists of the issuance of credit memos, the write-off of accounts receivable and the impact associated with currency translation adjustments.
Schedule of Accrued expenses and other current liabilities | Accrued expenses and other current liabilities with items greater than 5% of total current liabilities are shown separately and consist of the following:
| DECEMBER 31,
DESCRIPTION | 2024 |  | 2023
Current portion of operating lease liabilities | $ | 315,400 |  |  | $ | 291,795 |
Accrued compensation and benefits | 244,499 |  |  | 242,992 |
Dividends | 222,649 |  |  | 202,392 |
Interest | 164,336 |  |  | 175,218 |
Deferred purchase obligations, purchase price holdbacks and other | 137,207 |  |  | 171,273 |
Other | 282,477 |  |  | 166,589 |
Accrued expenses and other current liabilities | $ | 1,366,568 |  |  | $ | 1,250,259 |
Schedule of Property, Plant and Equipment at cost | Property, plant and equipment are stated at cost and depreciated using the straight-line method with the following useful lives (in years):
DESCRIPTION | RANGE
Buildings, building improvements and data center infrastructure | 5 to 40
Leasehold improvements | 5 to 20 or life of the lease (whichever is shorter)
Racking structures | 1 to 20 or life of the lease (whichever is shorter)
Warehouse equipment/vehicles | 1 to 10
Furniture and fixtures | 1 to 10
Computer hardware and software | 2 to 7
Property, plant and equipment (including financing leases in the respective categories), at cost, consist of the following:
| DECEMBER 31,
DESCRIPTION | 2024 |  | 2023
Land | $ | 670,529 |  |  | $ | 536,780 |
Buildings, building improvements and data center infrastructure | 4,768,835 |  |  | 3,819,241 |
Leasehold improvements | 1,536,919 |  |  | 1,166,810 |
Racking structures | 1,978,923 |  |  | 2,054,046 |
Warehouse equipment/vehicles | 644,340 |  |  | 526,965 |
Furniture and fixtures | 45,918 |  |  | 46,094 |
Computer hardware and software | 751,627 |  |  | 601,273 |
Construction in progress | 1,588,906 |  |  | 1,622,780 |
Property, plant and equipment | $ | 11,985,997 |  |  | $ | 10,373,989 |
Schedule of Contract Fulfillment Costs and related amortization | During the years ended December 31, 2024, 2023 and 2022, capitalized interest is as follows:
|  | YEAR ENDED DECEMBER 31,
|  | 2024 |  | 2023 |  | 2022
Capitalized interest |  | $ | 63,333 |  |  | $ | 44,845 |  |  | $ | 14,078 |
During the years ended December 31, 2024, 2023 and 2022, capitalized costs associated with the development of internal use computer software projects are as follows:
| YEAR ENDED DECEMBER 31,
| 2024 |  | 2023 |  | 2022
Capitalized costs associated with the development of internal use computer software projects | $ | 69,055 |  |  | $ | 64,488 |  |  | $ | 44,152 |
Contract Costs, which are included as a component of Other within Other Assets, Net as of December 31, 2024 and 2023 are as follows:
| DECEMBER 31, 2024 |  | DECEMBER 31, 2023
DESCRIPTION | GROSS CARRYING AMOUNT |  | ACCUMULATED AMORTIZATION |  | NET CARRYING AMOUNT |  | GROSS CARRYING AMOUNT |  | ACCUMULATED AMORTIZATION |  | NET CARRYING AMOUNT
Intake Costs asset | $ | 89,057 |  |  | $ | (43,783) |  |  | $ | 45,274 |  |  | $ | 76,150 |  |  | $ | (39,617) |  |  | $ | 36,533 |
Commissions asset | 200,149 |  |  | (78,955) |  |  | 121,194 |  |  | 156,639 |  |  | (64,279) |  |  | 92,360 |
Amortization expense associated with the Intake Costs and Commissions assets for the years ended December 31, 2024, 2023 and 2022 are as follows:
| YEAR ENDED DECEMBER 31,
DESCRIPTION | 2024 |  | 2023 |  | 2022
Intake Costs asset | $ | 22,114 |  |  | $ | 18,904 |  |  | $ | 18,117 |
Commissions asset | 54,841 |  |  | 43,413 |  |  | 40,612 |
Schedule of Operating and financing lease right-of-use assets and lease liabilities | Operating and financing lease right-of-use assets and lease liabilities as of December 31, 2024 and 2023 are as follows:
| DECEMBER 31,
DESCRIPTION | 2024 |  | 2023
Assets: |  |  |
Operating lease right-of-use assets(1) | $ | 2,489,893 |  |  | $ | 2,696,024 |
Financing lease right-of-use assets, net of accumulated depreciation(2)(3) | 359,265 |  |  | 304,600 |
Liabilities: |  |  |
Current |  |  |
Operating lease liabilities | $ | 315,400 |  |  | $ | 291,795 |
Financing lease liabilities(3) | 128,397 |  |  | 39,089 |
Long-term |  |  |
Operating lease liabilities | $ | 2,334,826 |  |  | $ | 2,562,394 |
Financing lease liabilities(3) | 278,444 |  |  | 310,776 |
(1)At December 31, 2024 and 2023, these assets are comprised of approximately 99% real estate related assets (which include land, buildings, data center infrastructure and racking structures) and 1% non-real estate related assets (which include warehouse equipment, vehicles, furniture and fixtures and computer hardware and software). (2)At December 31, 2024, these assets are comprised of approximately 58% real estate related assets and 42% non-real estate related assets. At December 31, 2023, these assets are comprised of approximately 68% real estate related assets and 32% non-real estate related assets. (3)Financing lease right-of-use assets, current financing lease liabilities and long-term financing lease liabilities are included within Property, Plant and Equipment, Net, Current portion of long-term debt and Long-term Debt, net of current portion, respectively, within our Consolidated Balance Sheets.
Schedule of Lease terms and discount rates/Other lease information | The components of the lease expense for the years ended December 31, 2024, 2023 and 2022 are as follows:
| YEAR ENDED DECEMBER 31,
DESCRIPTION | 2024 |  | 2023 |  | 2022
Operating lease cost(1) | $ | 682,960 |  |  | $ | 660,889 |  |  | $ | 574,115 |
Financing lease cost: |  |  |  |  |
Depreciation of financing lease right-of-use assets | $ | 50,548 |  |  | $ | 42,089 |  |  | $ | 42,708 |
Interest expense for financing lease liabilities | 21,949 |  |  | 18,638 |  |  | 17,329 |
(1)Operating lease cost, the majority of which is included in Cost of sales, includes variable lease costs of $163,916, $142,154 and $119,184 for the years ended December 31, 2024, 2023 and 2022, respectively. Weighted average remaining lease terms and discount rates as of December 31, 2024 and 2023 are as follows:
| DECEMBER 31, 2024 |  | DECEMBER 31, 2023
| OPERATING LEASES |  | FINANCING LEASES |  | OPERATING LEASES |  | FINANCING LEASES
Remaining Lease Term | 9.9 years |  | 7.8 years |  | 10.6 years |  | 9.2 years
Discount Rate | 6.8 | % |  | 6.3 | % |  | 6.6 | % |  | 6.1 | %
Supplemental cash flow information relating to our leases for the years ended December 31, 2024, 2023 and 2022 is as follows:
| YEAR ENDED DECEMBER 31,
CASH PAID FOR AMOUNTS INCLUDED IN MEASUREMENT OF LEASE LIABILITIES: | 2024 |  | 2023 |  | 2022
Operating cash flows used in operating leases | $ | 473,474 |  |  | $ | 450,412 |  |  | $ | 409,163 |
Operating cash flows used in financing leases (interest) | 21,949 |  |  | 18,638 |  |  | 17,329 |
Financing cash flows used in financing leases | 54,366 |  |  | 52,284 |  |  | 44,869 |
NON-CASH ITEMS: |  |  |  |  |
Operating lease modifications and reassessments | $ | 29,345 |  |  | $ | 86,948 |  |  | $ | 179,094 |
New operating leases (including acquisitions and sale-leaseback transactions) | 118,813 |  |  | 306,479 |  |  | 540,830 |
Schedule of Operating lease maturity table | The estimated minimum future lease payments (receipts) as of December 31, 2024 are as follows:
YEAR | OPERATING LEASES(1) |  | SUBLEASE INCOME |  | FINANCING LEASES(1)
2025 | $ | 479,248 |  |  | $ | (5,471) |  |  | $ | 143,971 |
2026 | 447,698 |  |  | (3,469) |  |  | 55,849 |
2027 | 409,142 |  |  | (2,980) |  |  | 45,534 |
2028 | 364,352 |  |  | (2,135) |  |  | 81,501 |
2029 | 327,061 |  |  | (1,331) |  |  | 33,958 |
Thereafter | 1,669,671 |  |  | (1,402) |  |  | 125,841 |
Total minimum lease payments (receipts) | 3,697,172 |  |  | $ | (16,788) |  |  | 486,654 |
Less amounts representing interest or imputed interest | 1,046,946 |  |  |  |  | 79,813 |
Present value of lease obligations | $ | 2,650,226 |  |  |  |  | $ | 406,841 |
(1)Estimated minimum future lease payments exclude variable common area maintenance charges, insurance and taxes.
Schedule of Finance lease maturity table | The estimated minimum future lease payments (receipts) as of December 31, 2024 are as follows:
YEAR | OPERATING LEASES(1) |  | SUBLEASE INCOME |  | FINANCING LEASES(1)
2025 | $ | 479,248 |  |  | $ | (5,471) |  |  | $ | 143,971 |
2026 | 447,698 |  |  | (3,469) |  |  | 55,849 |
2027 | 409,142 |  |  | (2,980) |  |  | 45,534 |
2028 | 364,352 |  |  | (2,135) |  |  | 81,501 |
2029 | 327,061 |  |  | (1,331) |  |  | 33,958 |
Thereafter | 1,669,671 |  |  | (1,402) |  |  | 125,841 |
Total minimum lease payments (receipts) | 3,697,172 |  |  | $ | (16,788) |  |  | 486,654 |
Less amounts representing interest or imputed interest | 1,046,946 |  |  |  |  | 79,813 |
Present value of lease obligations | $ | 2,650,226 |  |  |  |  | $ | 406,841 |
(1)Estimated minimum future lease payments exclude variable common area maintenance charges, insurance and taxes.
Schedule of Long-Lived Assets Held-for-sale | Loss (gain) on disposal/write-down of property, plant and equipment, net for the years ended December 31, 2024, 2023 and 2022 is as follows:
| YEAR ENDED DECEMBER 31,
| 2024 | 2023 | 2022
Loss (gain) on disposal/write-down of property, plant and equipment, net | $ | 6,196 |  | $ | (12,825) |  | $ | (93,268) |
Primarily consists of(1): | •Losses related to the disposal of assets associated with facility consolidations. | •Gains associated with sale and sale-leaseback transactions of approximately $19,500, of which approximately $18,500 relates to a sale-leaseback transaction of a facility in Singapore during the first quarter of 2023. These gains are partially offset by losses related to the disposal of assets associated with facility consolidations. | •Gains associated with sale and sale-leaseback transactions of approximately $94,500, of which (i) approximately $49,000 relates to sale and sale-leaseback transactions of 11 facilities and parcels of land in the United States during the second quarter of 2022, (ii) approximately $17,000 relates to sale-leaseback transactions of two facilities in the United States and one in Canada during the third quarter of 2022 and (iii) approximately $28,500 relates to sale and sale-leaseback transactions of 12 facilities and one parcel of land in the United States and one facility in the United Kingdom during the fourth quarter of 2022.
(1) The gains recognized during the years ended December 31, 2023 and 2022 are the result of our program to monetize a small portion of our industrial assets through sale and sale-leaseback transactions. The terms for these leases are consistent with the terms of our lease portfolio, which are disclosed in Note 2.j.
Schedule of Carrying value of goodwill, net for each of the reporting units | The carrying value of goodwill, net for each of our reporting units described above as of December 31, 2023 is as follows:
SEGMENT | REPORTING UNIT | CARRYING VALUE AS OF DECEMBER 31, 2023
Global RIM Business | North America RIM | $ | 2,694,093 |
Europe RIM | 541,860 |
MENATSA RIM | 26,502 |
Latin America RIM | 120,119 |
APAC RIM | 496,944 |
Entertainment Services | 32,427 |
Global Data Center Business | Global Data Center | 478,930 |
Corporate and Other | Fine Arts | 47,535 |
| ALM | 579,502 |
Total |  | $ | 5,017,912 |
The carrying value of goodwill, net for each of our reporting units described above as of December 31, 2024 is as follows:
SEGMENT | REPORTING UNIT | CARRYING VALUE AS OF DECEMBER 31, 2024
Global RIM Business | North America RIM | $ | 2,675,999 |
Europe RIM | 542,521 |
Latin America RIM | 99,599 |
APAC RIM | 467,059 |
Media and Archive Services | 31,696 |
Global Data Center Business | Global Data Center | 469,461 |
Corporate and Other | Fine Arts | 47,925 |
| ALM | 749,557 |
Total |  | $ | 5,083,817 |
Schedule of Changes in the carrying value of goodwill attributable to each reportable operating segment | The changes in the carrying value of goodwill attributable to each reportable segment for the years ended December 31, 2024 and 2023 are as follows:
| GLOBAL RIM BUSINESS |  | GLOBAL DATA CENTER BUSINESS |  | CORPORATE AND OTHER |  | TOTAL CONSOLIDATED
Goodwill balance, net of accumulated amortization, as of December 31, 2022 | $ | 3,852,946 |  |  | $ | 418,502 |  |  | $ | 611,286 |  |  | $ | 4,882,734 |
Tax deductible goodwill acquired during the year | — |  |  | — |  |  | 11,928 |  |  | 11,928 |
Non-tax deductible goodwill acquired during the year | 21,594 |  |  | 56,674 |  |  | 383 |  |  | 78,651 |
Fair value and other adjustments | (80) |  |  | — |  |  | 2,333 |  |  | 2,253 |
Currency effects | 37,485 |  |  | 3,754 |  |  | 1,107 |  |  | 42,346 |
Goodwill balance, net of accumulated amortization, as of December 31, 2023 | 3,911,945 |  |  | 478,930 |  |  | 627,037 |  |  | 5,017,912 |
Tax deductible goodwill acquired during the year | — |  |  | — |  |  | 132,891 |  |  | 132,891 |
Non-tax deductible goodwill acquired during the year | — |  |  | — |  |  | 39,646 |  |  | 39,646 |
Fair value and other adjustments | 372 |  |  | (186) |  |  | (186) |  |  | — |
Currency effects | (95,443) |  |  | (9,283) |  |  | (1,906) |  |  | (106,632) |
Goodwill balance, net of accumulated amortization, as of December 31, 2024 | $ | 3,816,874 |  |  | $ | 469,461 |  |  | $ | 797,482 |  |  | $ | 5,083,817 |
Accumulated Goodwill Impairment Balance as of December 31, 2023 | $ | 132,409 |  |  | $ | — |  |  | $ | 26,011 |  |  | $ | 158,420 |
Accumulated Goodwill Impairment Balance as of December 31, 2024 | $ | 132,409 |  |  | $ | — |  |  | $ | 26,011 |  |  | $ | 158,420 |
Schedule of Amortizable intangible assets | The gross carrying amount and accumulated amortization of our finite-lived intangible assets as of December 31, 2024 and 2023, respectively, are as follows:
| DECEMBER 31, 2024 |  | DECEMBER 31, 2023
DESCRIPTION | GROSS CARRYING AMOUNT | ACCUMULATED AMORTIZATION | NET CARRYING AMOUNT |  | GROSS CARRYING AMOUNT | ACCUMULATED AMORTIZATION | NET CARRYING AMOUNT
Assets: |  |  |  |  |  |  |
Customer and supplier relationship intangible assets(1) | $ | 2,268,949 |  | $ | (1,035,846) |  | $ | 1,233,103 |  |  | $ | 2,144,641 |  | $ | (933,084) |  | $ | 1,211,557 |
Customer inducements(1) | 38,782 |  | (19,706) |  | 19,076 |  |  | 47,565 |  | (25,562) |  | 22,003 |
Data center lease-based intangible assets(1)(2) | 138,714 |  | (116,162) |  | 22,552 |  |  | 141,628 |  | (95,422) |  | 46,206 |
Third-party commissions asset and other(3) | 86,314 |  | (51,508) |  | 34,806 |  |  | 77,638 |  | (39,323) |  | 38,315 |
Liabilities: |  |  |  |  |  |  |
Data center below-market leases(4) | $ | 10,819 |  | $ | (7,275) |  | $ | 3,544 |  |  | $ | 10,873 |  | $ | (5,772) |  | $ | 5,101 |
(1)Included in Customer and supplier relationship and other intangible assets in the accompanying Consolidated Balance Sheets. (2)Data center lease-based intangible assets includes Data Center In-Place Leases, Data Center Tenant Relationships and Data Center Above-Market Leases. (3)Included in Other (within Other Assets, Net) in the accompanying Consolidated Balance Sheets. (4)Included in Other long-term liabilities in the accompanying Consolidated Balance Sheets.
Schedule of Amortization expenses | Amortization expense associated with finite-lived intangible assets, revenue reduction associated with the amortization of Customer Inducements and net revenue reduction associated with the amortization of Data Center Above-Market Leases and Data Center Below-Market Leases for the years ended December 31, 2024, 2023 and 2022 is as follows:
| YEAR ENDED DECEMBER 31,
| 2024 |  | 2023 |  | 2022
Amortization expense included in depreciation and amortization associated with: |  |  |  |  |
Customer and supplier relationship intangible assets | $ | 155,872 |  |  | $ | 153,128 |  |  | $ | 156,779 |
Data center in-place leases and tenant relationships | 22,304 |  |  | 22,322 |  |  | 16,955 |
Third-party commissions asset and other | 16,478 |  |  | 12,541 |  |  | 16,148 |
Revenue reduction associated with amortization of: |  |  |  |  |
Customer inducements and data center above-market and below-market leases | $ | 5,347 |  |  | $ | 7,036 |  |  | $ | 8,119 |
Schedule of Estimated amortization expense for existing intangible assets for the next five succeeding fiscal years | Estimated amortization expense for existing finite-lived intangible assets (excluding Contract Costs, as defined in Note 2.s.) is as follows:
| ESTIMATED AMORTIZATION
YEAR | INCLUDED IN DEPRECIATION AND AMORTIZATION |  | REVENUE REDUCTION ASSOCIATED WITH CUSTOMER INDUCEMENTS AND DATA CENTER ABOVE-MARKET AND BELOW-MARKET LEASES
2025 | $ | 178,310 |  |  | $ | 4,493 |
2026 | 150,079 |  |  | 3,887 |
2027 | 131,057 |  |  | 2,838 |
2028 | 121,642 |  |  | 1,400 |
2029 | 107,935 |  |  | 1,114 |
Thereafter | 601,323 |  |  | 1,915 |
Schedule of Assets and liabilities carried at fair value measured on a recurring basis | The assets and liabilities carried at fair value and measured on a recurring basis as of December 31, 2024 and 2023, respectively, are as follows:
|  |  | FAIR VALUE MEASUREMENTS AT DECEMBER 31, 2024 USING
DESCRIPTION | TOTAL CARRYING VALUE AT DECEMBER 31, 2024 |  | QUOTED PRICES IN ACTIVE MARKETS (LEVEL 1) |  | SIGNIFICANT OTHER OBSERVABLE INPUTS (LEVEL 2) |  | SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3)(6)
Money Market Funds(1) | $ | 2,488 |  |  | $ | — |  |  | $ | 2,488 |  |  | $ | — |
Time Deposits(1) | 9,612 |  |  | — |  |  | 9,612 |  |  | — |
Trading Securities | 8,144 |  |  | 6,390 |  | (2) | 1,754 |  | (3) | — |
Derivative Assets(4) | 28,092 |  |  | — |  |  | 28,092 |  |  | — |
Derivative Liabilities(4) | 5,326 |  |  | — |  |  | 5,326 |  |  | — |
Deferred Purchase Obligations(5) | 147,055 |  |  | — |  |  | — |  |  | 147,055 |
|  |  | FAIR VALUE MEASUREMENTS AT DECEMBER 31, 2023 USING
DESCRIPTION | TOTAL CARRYING VALUE AT DECEMBER 31, 2023 |  | QUOTED PRICES IN ACTIVE MARKETS (LEVEL 1) |  | SIGNIFICANT OTHER OBSERVABLE INPUTS (LEVEL 2) |  | SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3)(6)
Money Market Funds(1) | $ | 66,008 |  |  | $ | — |  |  | $ | 66,008 |  |  | $ | — |
Time Deposits(1) | 15,913 |  |  | — |  |  | 15,913 |  |  | — |
Trading Securities | 9,952 |  |  | 6,149 |  | (2) | 3,803 |  | (3) | — |
Derivative Assets(4) | 6,359 |  |  | — |  |  | 6,359 |  |  | — |
Derivative Liabilities(4) | 5,769 |  |  | — |  |  | 5,769 |  |  | — |
Deferred Purchase Obligations(5) | 208,265 |  |  | — |  |  | — |  |  | 208,265 |
(1)Money market funds and time deposits are measured based on quoted prices for similar assets and/or subsequent transactions. (2)Certain trading securities are measured at fair value using quoted market prices. (3)Certain trading securities are measured based on inputs other than quoted market prices that are observable. (4)Derivative assets and liabilities include (i) interest rate swap agreements, and (ii) cross-currency swap agreements to hedge the variability of exchange rate impacts between the United States dollar and certain of our foreign functional currencies, including the Euro and the Canadian dollar. Our derivative financial instruments are measured using industry standard valuation models using market-based observable inputs, including interest rate curves, forward and spot prices for currencies and implied volatilities. See Note 6 for additional information on our derivative financial instruments. (5)Primarily relates to the fair values of the deferred purchase obligations associated with the ITRenew Transaction and the Regency Transaction (each as defined in Note 3). (6)The following is a rollforward of the Level 3 liabilities presented above for December 31, 2023 through December 31, 2024:
Balance as of December 31, 2023 | $ | 208,265 |  |  |  |  |
Additions | 63,700 |  |  |  |  |
Payments | (158,775) |  |  |  |  |
Other changes | 33,865 |  |  |  |  |
Balance as of December 31, 2024 | $ | 147,055 |  |  |  |  |
Schedule of Changes in accumulated other comprehensive items, net | The changes in Accumulated other comprehensive items, net for the years ended December 31, 2024, 2023 and 2022 are as follows:
| FOREIGN CURRENCY TRANSLATION AND OTHER ADJUSTMENTS |  | CHANGE IN FAIR VALUE OF DERIVATIVE INSTRUMENTS |  | TOTAL
Balance as of December 31, 2021 | $ | (341,024) |  |  | $ | 2,677 |  |  | $ | (338,347) |
Other comprehensive (loss) income: |  |  |  |  |
Foreign currency translation and other adjustments | (113,485) |  |  | — |  |  | (113,485) |
Change in fair value of derivative instruments | — |  |  | 9,829 |  |  | 9,829 |
Total other comprehensive (loss) income | (113,485) |  |  | 9,829 |  |  | (103,656) |
Balance as of December 31, 2022 | (454,509) |  |  | 12,506 |  |  | (442,003) |
Other comprehensive income (loss): |  |  |  |  |
Foreign currency translation and other adjustments | 80,881 |  |  | — |  |  | 80,881 |
Change in fair value of derivative instruments | — |  |  | (2,454) |  |  | (2,454) |
Reclassifications from Accumulated Other Comprehensive Items, net | — |  |  | (7,580) |  |  | (7,580) |
Total other comprehensive income (loss) | 80,881 |  |  | (10,034) |  |  | 70,847 |
Balance as of December 31, 2023 | (373,628) |  |  | 2,472 |  |  | (371,156) |
Other comprehensive (loss) income: |  |  |  |  |
Foreign currency translation and other adjustments | (194,501) |  |  | — |  |  | (194,501) |
Change in fair value of derivative instruments | — |  |  | (1,767) |  |  | (1,767) |
Reclassifications from Accumulated Other Comprehensive Items, net | — |  |  | (2,528) |  |  | (2,528) |
Total other comprehensive (loss) income | (194,501) |  |  | (4,295) |  |  | (198,796) |
Balance as of December 31, 2024 | $ | (568,129) |  |  | $ | (1,823) |  |  | $ | (569,952) |
Schedule of Contract with customer, future amortization expense | Estimated amortization expense for Contract Costs is as follows:
YEAR | ESTIMATED AMORTIZATION
2025 | $ | 85,924 |
2026 | 56,997 |
2027 | 23,547 |
Schedule of Deferred revenue liabilities | Deferred revenue liabilities, which also include deferred revenues primarily related to contracts within our Global Data Center Business accounted for under ASC 842 (as described below), are reflected as follows in our Consolidated Balance Sheets:
|  | DECEMBER 31, |
DESCRIPTION | LOCATION IN BALANCE SHEET | 2024 |  | 2023(1) |
Deferred revenue - Current(2) | Deferred revenue | $ | 326,882 |  |  | $ | 325,665 |  |
Deferred revenue - Long-term(3) | Other Long-term Liabilities | 110,601 |  |  | 100,770 |  |
(1)The beginning balance of current and long-term deferred revenue for the year ended December 31, 2023 was $328,910 and $32,960, respectively. (2)The current deferred revenue accounted for under ASC 842 is approximately $25,500 and $44,200 as of December 31, 2024 and 2023, respectively. (3)The long-term deferred revenue accounted for under ASC 842 is approximately $95,000 and $70,900 as of December 31, 2024 and 2023, respectively.
Schedule of Revenue | Storage rental revenue associated with our Global Data Center Business for the years ended December 31, 2024, 2023 and 2022 are as follows:
| YEAR ENDED DECEMBER 31,
| 2024 |  | 2023 |  | 2022
Storage rental revenue | $ | 606,294 |  |  | $ | 474,066 |  |  | $ | 372,208 |
Schedule of Payments to be received | The future minimum lease payments we expect to receive under non-cancellable data center operating leases for which we are the lessor, excluding month to month leases, for the next five years and thereafter are as follows:
YEAR | FUTURE MINIMUM LEASE PAYMENTS(1)
2025 | $ | 479,296 |
2026 | 433,670 |
2027 | 429,431 |
2028 | 399,736 |
2029 | 366,612 |
Thereafter | 2,300,334 |
(1)Future minimum lease payments we expect to receive exclude contingent and variable costs such as taxes, insurance and common area maintenance, which are included in our total storage revenue. These amounts also exclude $1,745,958 in total expected future minimum lease payments for non-cancellable leases that have not yet commenced, which we expect to receive over a weighed average period of 15 years.
Schedule of Stock-based compensation expense | Stock-based compensation expense for Employee Stock-Based Awards included in Selling, general and administrative expenses in the accompanying Consolidated Statements of Operations for the years ended December 31, 2024, 2023 and 2022 is as follows:
| YEAR ENDED DECEMBER 31,
| 2024 |  | 2023 |  | 2022
Stock-based compensation expense | $ | 118,138 |  |  | $ | 73,799 |  |  | $ | 56,861 |
Stock-based compensation expense, after tax | 109,252 |  |  | 68,309 |  |  | 52,600 |
Schedule of Stock Option grant assumptions | These values were estimated on the date of grant using the Black-Scholes option pricing model. The assumptions used for stock option grants in the years ended December 31, 2024, 2023 and 2022 are as follows:
| YEAR ENDED DECEMBER 31,
STOCK OPTION GRANT ASSUMPTIONS | 2024 |  | 2023 |  | 2022
Expected volatility(1) | 28.6 | % |  | 29.1 | % |  | 28.0 | %
Risk-free interest rate(2) | 4.25 | % |  | 3.92 | % |  | 1.72 | %
Expected dividend yield(3) | 3.2 | % |  | 4.7 | % |  | 5.0 | %
Expected life(4) | 10.0 years |  | 10.0 years |  | 10.0 years
(1)Expected volatility is calculated utilizing daily historical volatility over a period that equates to the expected life of the option. (2)Risk-free interest rate is based on the United States Treasury interest rates whose term is consistent with the expected life (estimated period of time outstanding) of the stock options. (3)Expected dividend yield is considered in the option pricing model and represents our annualized expected per share dividends over the trade price of our common stock at the date of grant. (4)Expected life of the stock options granted is estimated using the historical exercise behavior of employees.
Summary of Stock option activity | A summary of stock option activity for the year ended December 31, 2024 is as follows:
| OPTIONS |  | WEIGHTED AVERAGE EXERCISE PRICE |  | WEIGHTED AVERAGE REMAINING CONTRACTUAL TERM (YEARS) |  | AGGREGATE INTRINSIC VALUE
Outstanding at December 31, 2023 | 4,060,597 |  |  | $ | 37.84 |  |  |  |  |
Granted | 83,054 |  |  | 81.03 |  |  |  |  |
Exercised | (433,732) |  |  | 45.95 |  |  |  |  |
Outstanding at December 31, 2024 | 3,709,919 |  |  | $ | 37.85 |  |  | 3.89 |  | $ | 249,538 |
Options exercisable at December 31, 2024 | 3,451,625 |  |  | $ | 36.12 |  |  | 3.57 |  | $ | 238,128 |
Options expected to vest | 258,294 |  |  | $ | 60.93 |  |  | 8.22 |  | $ | 11,410 |
Summary of Restricted stock and RSU activity | The fair value of RSUs vested during the years ended December 31, 2024, 2023 and 2022 are as follows:
| YEAR ENDED DECEMBER 31,
| 2024 |  | 2023 |  | 2022
Fair value of RSUs vested | $ | 29,852 |  |  | $ | 32,664 |  |  | $ | 27,078 |
A summary of RSU activity for the year ended December 31, 2024 is as follows:
| RSUs |  | WEIGHTED-AVERAGE GRANT-DATE FAIR VALUE
Non-vested at December 31, 2023 | 1,360,264 |  |  | $ | 50.24 |
Granted | 712,061 |  |  | 83.78 |
Vested | (647,901) |  |  | 46.07 |
Forfeited | (230,049) |  |  | 62.87 |
Non-vested at December 31, 2024 | 1,194,375 |  |  | $ | 70.06 |
Schedule of Performance stock units | The fair value of earned PUs that vested during the years ended December 31, 2024, 2023 and 2022 is as follows:
| YEAR ENDED DECEMBER 31,
| 2024 |  | 2023 |  | 2022
Fair value of earned PUs that vested | $ | 24,617 |  |  | $ | 34,896 |  |  | $ | 20,059 |
Schedule of Performance unit (PU) activity | A summary of PU activity for the year ended December 31, 2024 is as follows:
| ORIGINAL PU AWARDS |  | PU ADJUSTMENT(1) |  | TOTAL PU AWARDS |  | WEIGHTED-AVERAGE GRANT-DATE FAIR VALUE
Non-vested at December 31, 2023 | 804,910 |  |  | (323,557) |  |  | 481,353 |  |  | $ | 43.16 |
Granted | 462,501 |  |  | — |  |  | 462,501 |  |  | 92.01 |
Prior year grant adjustments for performance(1) | — |  |  | 273,653 |  |  | 273,653 |  |  | 52.33 |
Vested | (574,225) |  |  | — |  |  | (574,225) |  |  | 42.87 |
Forfeited | (81,254) |  |  | — |  |  | (81,254) |  |  | 76.29 |
Non-vested at December 31, 2024 | 611,932 |  |  | (49,904) |  |  | 562,028 |  |  | $ | 83.33 |
(1)Represents an increase or decrease in the number of original PUs awarded based on either the final performance criteria or market condition achievement at the end of the performance period of such PUs.
Schedule of Other expense (income), net | Other expense (income), net for the years ended December 31, 2024, 2023 and 2022 consists of the following:
| YEAR ENDED DECEMBER 31,
| 2024 |  | 2023 |  | 2022
Foreign currency transaction (gains) losses, net(1) | $ | (39,064) |  |  | $ | 36,799 |  |  | $ | (61,684) |
Debt extinguishment expense | 5,678 |  |  | — |  |  | 671 |
Other, net(2)(3)(4) | 76,808 |  |  | 71,841 |  |  | (8,768) |
Other expense (income), net | $ | 43,422 |  |  | $ | 108,640 |  |  | $ | (69,781) |
(1)The gain or loss on foreign currency transactions, calculated as the difference between the historical exchange rate and the exchange rate at the applicable measurement date, includes gains or losses primarily related to (i) certain foreign currency denominated intercompany obligations of our foreign subsidiaries to us and between our foreign subsidiaries, which are not considered permanently invested, and (ii) borrowings in certain foreign currencies under the Revolving Credit Facility (as defined in Note 7). (2)Other, net for the year ended December 31, 2024 primarily consists of (i) a loss of approximately $41,000 due to the change in value of our deferred purchase obligations and other deferred payments, (ii) approximately $29,200 in charges associated with the agreement to purchase the remaining interest in the Web Werks JV (as defined and discussed in Note 3) and (iii) losses on our equity method investments. (3)Other, net for the year ended December 31, 2023 consists primarily of a loss of approximately $38,000 associated with the remeasurement to fair value of our previously held equity interest in the Clutter JV (as defined and discussed in Note 3), as well as losses on our equity method investments and the change in value of our deferred purchase obligations. (4)Other, net for the year ended December 31, 2022 consists primarily of (i) a gain of approximately $93,600 associated with the remeasurement of the deferred purchase obligation associated with the ITRenew Transaction to the present value of our best estimate of fair value and (ii) a gain of approximately $35,800 associated with the Clutter Transaction (as defined in Note 3), partially offset by (iii) a loss of approximately $105,800 associated with the OSG Deconsolidation (as defined in Note 4) and (iv) losses on our equity method investments.
Schedule of Basic and diluted net income (loss) per share attributable to the entity | The calculation of basic and diluted income (loss) per share for the years ended December 31, 2024, 2023 and 2022 is as follows:
| YEAR ENDED DECEMBER 31,
| 2024 |  | 2023 |  | 2022
Net Income (Loss) | $ | 183,666 |  |  | $ | 187,263 |  |  | $ | 562,149 |
Less: Net Income (Loss) Attributable to Noncontrolling Interests | 3,510 |  |  | 3,029 |  |  | 5,168 |
Net Income (Loss) Attributable to Iron Mountain Incorporated (utilized in numerator of Earnings Per Share calculation) | $ | 180,156 |  |  | $ | 184,234 |  |  | $ | 556,981 |
Weighted-average shares—basic | 293,365,000 |  |  | 291,936,000 |  |  | 290,812,000 |
Effect of dilutive potential stock options | 2,241,000 |  |  | 1,435,000 |  |  | 1,125,068 |
Effect of dilutive potential RSUs and PUs | 628,000 |  |  | 594,000 |  |  | 507,109 |
Weighted-average shares—diluted | 296,234,000 |  |  | 293,965,000 |  |  | 292,444,177 |
Net Income (Loss) Per Share Attributable to Iron Mountain Incorporated: |  |  |  |  |
Basic | $ | 0.61 |  |  | $ | 0.63 |  |  | $ | 1.92 |
Diluted | $ | 0.61 |  |  | $ | 0.63 |  |  | $ | 1.90 |
Antidilutive stock options, RSUs and PUs, excluded from the calculation | 225,847 |  |  | 81,817 |  |  | 305,527 |

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