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v3.23.1

Property, Plant and Equipment | 12 Months Ended
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Mar. 31, 2023
Notes To Financial Statements [Abstract] |
Property, Plant and Equipment | 5.PROPERTY, PLANT, AND EQUIPMENT Information related to the major categories of our depreciable assets is as follows:
March 31, |  | 2023 |  | 2022
Land and land improvements (1) |  | $ | 84,313 |  |  | $ | 84,015 |
Buildings and leasehold improvements |  | 691,933 |  |  | 654,851 |
Machinery and equipment |  | 994,188 |  |  | 903,649 |
Information systems |  | 247,873 |  |  | 222,620 |
Radioisotope |  | 637,920 |  |  | 597,641 |
Construction in progress (1) |  | 478,316 |  |  | 356,013 |
Total property, plant, and equipment |  | 3,134,543 |  |  | 2,818,789 |
Less: accumulated depreciation and depletion |  | (1,429,031) |  |  | (1,266,213) |
Property, plant, and equipment, net |  | $ | 1,705,512 |  |  | $ | 1,552,576 |
(1) Land is not depreciated. Construction in progress is not depreciated until placed in service. Depreciation and depletion expense were $173,145, $184,406 and $132,725, for the years ended March 31, 2023, 2022, and 2021, respectively. Asset Retirement Obligations We provide contract sterilization services including Gamma irradiation which utilizes cobalt-60 in the form of cobalt pencils. We have incurred asset retirement obligations (ARO) associated with the future disposal of these assets once depleted. Recognition of ARO includes: the present value of a liability and offsetting asset, the subsequent accretion of that liability and depletion of the asset, and the periodic review of the ARO liability estimates and discount rates used in the analysis. The following table summarizes the activity in the liability for asset retirement obligations.
| Asset Retirement Obligations
Balance at March 31, 2021 | $ | 13,330 |
Liabilities incurred during the period | 86 |
Liabilities settled during the period | (3) |
Accretion expense and change in estimate | 146 |
Foreign currency and other | (16) |
Balance at March 31, 2022 | $ | 13,543 |
Liabilities incurred during the period | 86 |
Liabilities settled during the period | (625) |
Accretion expense and change in estimate | 104 |
Foreign currency and other | 23 |
Balance at March 31, 2023 | $ | 13,131 |

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//360/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 6 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-7 + Details
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