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Summary of Impairment Losses Recognized (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020
Impairment Losses |  |  | $ 224,267
Impairment Losses recognized |  |  | 25,131
Property, Equipment, and Real Estate [Member] |  |  |
Impairment Losses |  |  | 11,213
Lease Right-of-Use Assets [Member] |  |  |
Impairment Losses recognized |  |  | 13,918
Oil and Gas Proppants [Member] |  |  |
Impairment Losses |  |  | $ 224,300

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- Definition Continued operations asset impairment charges. + References No definition available. + Details
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Namespace Prefix: | exp_
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Balance Type: | debit
Period Type: | duration

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2420-110228 + Details
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- Details
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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |