v3.25.4

Property, Plant and Equipment (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2025 | Dec. 31, 2024 | Mar. 31, 2025
Property, Plant and Equipment |  |  |  |  |
Gross property, plant and equipment | $ 3,332,415 |  | $ 3,332,415 |  | $ 3,171,429
Accumulated depreciation | (1,229,618) |  | (1,229,618) |  | (1,104,582)
Net property, plant and equipment | 2,102,797 |  | 2,102,797 |  | 2,066,847
Depreciation expense | 47,718 | $ 52,279 | 151,834 | $ 148,219 |
Capitalized interest expense | 747 | $ 324 | 977 | $ 1,830 |
Gain (loss) on sales and write-downs of certain assets | 5,667 |  | 13,792 |  |
Corporate and other |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Gain (loss) on sales and write-downs of certain assets | 0 |  | (2) |  |
Water Solutions |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Gain (loss) on sales and write-downs of certain assets | 5,669 |  | 13,540 |  |
Crude Oil Logistics |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Gain (loss) on sales and write-downs of certain assets | (2) |  | 267 |  |
Liquids Logistics |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Gain (loss) on sales and write-downs of certain assets | 0 |  | (13) |  |
Water treatment facilities and equipment (1) |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Gross property, plant and equipment | 2,397,317 |  | 2,397,317 |  | 2,240,919
Finance lease, right-of-use asset | $ 8,000 |  | $ 8,000 |  |
Water treatment facilities and equipment (1) | Minimum |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life | 3 years |  | 3 years |  |
Water treatment facilities and equipment (1) | Maximum |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life | 30 years |  | 30 years |  |
Pipeline and related facilities |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Gross property, plant and equipment | $ 266,324 |  | $ 266,324 |  | 266,324
Pipeline and related facilities | Minimum |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life | 30 years |  | 30 years |  |
Pipeline and related facilities | Maximum |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life | 40 years |  | 40 years |  |
Crude oil tanks and related equipment |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Gross property, plant and equipment | $ 230,963 |  | $ 230,963 |  | 230,174
Crude oil tanks and related equipment | Minimum |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life | 2 years |  | 2 years |  |
Crude oil tanks and related equipment | Maximum |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life | 30 years |  | 30 years |  |
Buildings and leasehold improvements |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Gross property, plant and equipment | $ 124,744 |  | $ 124,744 |  | 124,388
Buildings and leasehold improvements | Minimum |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life | 3 years |  | 3 years |  |
Buildings and leasehold improvements | Maximum |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life | 40 years |  | 40 years |  |
Natural gas liquids terminal and storage assets |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Gross property, plant and equipment | $ 100,207 |  | $ 100,207 |  | 99,805
Natural gas liquids terminal and storage assets | Minimum |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life | 2 years |  | 2 years |  |
Natural gas liquids terminal and storage assets | Maximum |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life | 30 years |  | 30 years |  |
Land |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Gross property, plant and equipment | $ 64,603 |  | $ 64,603 |  | 64,733
Tank bottoms and linefill (2) |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Gross property, plant and equipment | 31,555 |  | 31,555 |  | 30,623
Information technology equipment |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Gross property, plant and equipment | $ 31,276 |  | $ 31,276 |  | 31,319
Information technology equipment | Minimum |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life | 3 years |  | 3 years |  |
Information technology equipment | Maximum |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life | 7 years |  | 7 years |  |
Vehicles and railcars (3) |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Gross property, plant and equipment | $ 23,496 |  | $ 23,496 |  | 33,629
Finance lease, right-of-use asset | $ 100 |  | $ 100 |  | 100
Vehicles and railcars (3) | Minimum |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life | 3 years |  | 3 years |  |
Vehicles and railcars (3) | Maximum |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life | 25 years |  | 25 years |  |
Other |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Gross property, plant and equipment | $ 19,421 |  | $ 19,421 |  | 19,161
Other | Minimum |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life | 3 years |  | 3 years |  |
Other | Maximum |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Useful life | 20 years |  | 20 years |  |
Construction in progress |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Gross property, plant and equipment | $ 42,509 |  | $ 42,509 |  | $ 30,354

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