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v3.21.2

Property, Plant and Equipment Property, Plant and Equipment (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Sep. 30, 2021 | Mar. 31, 2021
Property, Plant and Equipment [Abstract] |  |  |
Property, Plant and Equipment |  | Information related to the major categories of our depreciable assets is as follows:
|  | September 30, 2021 |  | March 31, 2021
Land and land improvements (1) |  | $ | 83,479 |  |  | $ | 69,477 |
Buildings and leasehold improvements |  | 678,945 |  |  | 567,132 |
Machinery and equipment |  | 883,897 |  |  | 779,044 |
Information systems |  | 225,890 |  |  | 193,222 |
Radioisotope |  | 579,617 |  |  | 565,681 |
Construction in progress (1) |  | 282,313 |  |  | 211,381 |
Total property, plant, and equipment |  | 2,734,141 |  |  | 2,385,937 |
Less: accumulated depreciation and depletion |  | (1,222,886) |  |  | (1,150,537) |
Property, plant, and equipment, net |  | $ | 1,511,255 |  |  | $ | 1,235,400 |
(1)Land is not depreciated. Construction in progress is not depreciated until placed in service. |
Property, Plant and Equipment [Line Items] |  |  |
Land and land improvements | [1] | $ 83,479 | $ 69,477
Buildings and leasehold improvements |  | 678,945 | 567,132
Machinery and equipment |  | 883,897 | 779,044
Radioisotope |  | 579,617 | 565,681
Construction in progress | [1] | 282,313 | 211,381
Total property, plant, and equipment |  | 2,734,141 | 2,385,937
Less: accumulated depreciation and depletion |  | (1,222,886) | (1,150,537)
Property, plant, and equipment, net |  | 1,511,255 | 1,235,400
Capitalized Computer Hardware/Software, Gross |  | $ 225,890 | $ 193,222
[1] | Land is not depreciated. Construction in progress is not depreciated until placed in service.

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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 4 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=124098289&loc=d3e6812-107765 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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- Definition Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 4 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=124098289&loc=d3e6812-107765 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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