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Business and Product Line Acquisitions - Additional Information (Detail) - USD ($) |  |  |  |  |  |  |  | 1 Months Ended | 9 Months Ended |
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Dec. 30, 2020 | Jul. 31, 2020 | Mar. 26, 2020 | Feb. 28, 2020 | Jan. 31, 2020 | Jan. 09, 2020 | Jan. 01, 2020 | Feb. 28, 2021 | Feb. 28, 2021 | Jan. 31, 2021
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Cash consideration for purchase of business |  |  |  | $ 172,000 |  |  |  |  |  |
Purchase price allocation for inventory |  |  | $ 164,000 |  |  |  |  |  |  |
Cash payable to former owner for purchase of business | $ 8.6 |  |  |  |  |  |  |  |  |
Abtek Biologicals Limited |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Cash consideration for purchase of business |  |  |  |  | $ 1,401,000 |  |  |  |  |
Purchase price allocation for accounts receivable |  |  |  |  | 135,000 |  |  |  |  |
Purchase price allocation for inventory |  |  |  |  | 207,000 |  |  |  |  |
Purchase price allocation for land, property and equipment |  |  |  |  | 105,000 |  |  |  |  |
Purchase price allocation for intangible assets |  |  |  |  | 484,000 |  |  |  |  |
Purchase price allocation for accounts payable |  |  |  |  | 118,000 |  |  |  |  |
Purchase price allocation for deferred tax liability |  |  |  |  | 92,000 |  |  |  |  |
Purchase price allocation for other current liabilities |  |  |  |  | 34,000 |  |  |  |  |
Cash payable to former owner for purchase of business |  |  |  |  | 119,000 |  |  |  |  | $ 119,000
Cash paid for purchase of business |  |  |  |  | 1,282,000 |  |  |  |  |
Purchase price allocation for Prepaid Expenses |  |  |  |  | $ 6,000 |  |  |  |  |
Chile-based Magiar Chilena |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Cash consideration for purchase of business |  |  | 400,000 |  |  |  |  |  |  |
Purchase price allocation for land, property and equipment |  |  | 53,000 |  |  |  |  |  |  |
Purchase price allocation for intangible assets |  |  | 183,000 |  |  |  |  |  |  |
Cash payable to former owner for purchase of business |  |  | 50,000 |  |  |  |  |  |  |
Cash paid for purchase of business |  |  | $ 350,000 |  |  |  |  |  |  |
Cash payable to former owner for purchase of business, due date |  |  | Mar. 26, 2021 |  |  |  |  |  |  |
Beef Cattle And Related Assets [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Cash consideration for purchase of business |  | $ 2,351,000 |  |  |  |  |  |  |  |
Purchase price allocation for inventory |  | 51,000 |  |  |  |  |  |  |  |
Purchase price allocation for intangible assets |  | $ 2,300,000 |  |  |  |  |  |  |  |
Finite lived intangible assets, useful life |  | 15 years |  |  |  |  |  |  |  |
Megazyme Ltd and Subsidiary Megazyme Inc [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Cash consideration for purchase of business | 39.8 |  |  |  |  |  |  | $ 1,229,000 |  |
Contingent consideration potential payment | 2.5 |  |  |  |  |  |  |  |  |
Purchase price allocation for accounts receivable | 1,339,000 |  |  |  |  |  |  |  |  |
Purchase price allocation for inventory | 5,619,000 |  |  |  |  |  |  |  |  |
Purchase price allocation for land, property and equipment | 12,141,000 |  |  |  |  |  |  |  |  |
Allocation of purchase price for contingent consideration potential payment | 2,458,000 |  |  |  |  |  |  |  |  |
Purchase price allocation for intangible assets | 19,461,000 |  |  |  |  |  |  |  |  |
Purchase price allocation for accounts payable | 4,000 |  |  |  |  |  |  |  |  |
Purchase price allocation for deferred tax liability | 2,389,000 |  |  |  |  |  |  |  |  |
Purchase price allocation for other current liabilities | 2,405,000 |  |  |  |  |  |  |  |  |
Purchase price allocation for Prepaid Expenses | 69,000 |  |  |  |  |  |  |  |  |
Business acquisition Value of equity interest issued | $ 4.9 |  |  |  |  |  |  |  |  |
ARGENTINA | Productos Quimicos Magiar |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Cash consideration for purchase of business |  |  |  |  |  |  | $ 3,776,000 |  |  |
Contingent consideration potential payment |  |  |  |  |  |  | 979,000 |  |  |
Purchase price allocation for accounts receivable |  |  |  |  |  |  | 603,000 |  |  |
Purchase price allocation for inventory |  |  |  |  |  |  | 446,000 |  |  |
Purchase price allocation for land, property and equipment |  |  |  |  |  |  | 36,000 |  |  |
Allocation of purchase price for contingent consideration potential payment |  |  |  |  |  |  | 640,000 |  |  |
Purchase price allocation for intangible assets |  |  |  |  |  |  | 1,471,000 |  |  |
Purchase price allocation for accounts payable |  |  |  |  |  |  | 383,000 |  |  |
Purchase price allocation for deferred tax liability |  |  |  |  |  |  | 441,000 |  |  |
Purchase price allocation for other current liabilities |  |  |  |  |  |  | 312,000 |  |  |
Cash payable to former owner for purchase of business |  |  |  |  |  |  | 540,000 |  |  |
Cash paid for purchase of business |  |  |  |  |  |  | 3,237,000 |  |  |
Contingent consideration paid |  |  |  |  |  |  | $ 530,000 |  |  |
Cash payable to former owner for purchase of business, due date |  |  |  |  |  |  | Jan. 01, 2022 |  |  |
Purchase price allocation for other current assets |  |  |  |  |  |  | $ 221,000 |  |  |
Gain on Contingent Consideration |  |  |  |  |  |  | 110,000 |  |  |
URUGUAY | Productos Quimicos Magiar |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Cash consideration for purchase of business |  |  |  |  |  |  | 1,488,000 |  |  |
Contingent consideration potential payment |  |  |  |  |  |  | 241,000 |  |  |
Purchase price allocation for accounts receivable |  |  |  |  |  |  | 280,000 |  |  |
Purchase price allocation for inventory |  |  |  |  |  |  | 174,000 |  |  |
Purchase price allocation for land, property and equipment |  |  |  |  |  |  | 16,000 |  |  |
Allocation of purchase price for contingent consideration potential payment |  |  |  |  |  |  | 159,000 |  |  |
Purchase price allocation for intangible assets |  |  |  |  |  |  | 398,000 |  |  |
Purchase price allocation for accounts payable |  |  |  |  |  |  | 204,000 |  |  |
Purchase price allocation for deferred tax liability |  |  |  |  |  |  | 99,000 |  |  |
Purchase price allocation for other current liabilities |  |  |  |  |  |  | 11,000 |  |  |
Cash payable to former owner for purchase of business |  |  |  |  |  |  | 210,000 |  |  |
Cash paid for purchase of business |  |  |  |  |  |  | 1,278,000 |  |  |
Contingent consideration paid |  |  |  |  |  |  | $ 158,000 |  |  |
Cash payable to former owner for purchase of business, due date |  |  |  |  |  |  | Jan. 01, 2022 |  |  |
Purchase price allocation for other current assets |  |  |  |  |  |  | $ 68,000 |  |  |
Gain on Contingent Consideration |  |  |  |  |  |  | $ 1,000 |  |  |
ITALY | Diessechem Srl |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Cash consideration for purchase of business |  |  |  |  |  | $ 3,455,000 |  |  |  |
Purchase price allocation for accounts receivable |  |  |  |  |  | 780,000 |  |  |  |
Purchase price allocation for inventory |  |  |  |  |  | 5,000 |  |  |  |
Purchase price allocation for intangible assets |  |  |  |  |  | 1,225,000 |  |  |  |
Purchase price allocation for accounts payable |  |  |  |  |  | 140,000 |  |  |  |
Purchase price allocation for deferred tax liability |  |  |  |  |  | 294,000 |  |  |  |
Purchase price allocation for other current liabilities |  |  |  |  |  | 305,000 |  |  |  |
Purchase price allocation for other current assets |  |  |  |  |  | $ 160,000 |  |  |  |
AUSTRALIA | Cell BioSciences |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Cash consideration for purchase of business |  |  |  | 3,768,000 |  |  |  |  |  |
Purchase price allocation for inventory |  |  |  | 420,000 |  |  |  |  |  |
Allocation of purchase price for contingent consideration potential payment |  |  |  | 13,000 |  |  |  |  |  |
Purchase price allocation for intangible assets |  |  |  | 1,338,000 |  |  |  |  |  |
Cash payable to former owner for purchase of business |  |  |  | 172,000 |  |  |  |  |  |
Cash paid for purchase of business |  |  |  | $ 3,596,000 |  |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  |  |  |  |  |  |  | 5 years |
Minimum | Abtek Biologicals Limited |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  |  |  | 5 years |  |  |  |  |
Minimum | Chile-based Magiar Chilena |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  | 5 years |  |  |  |  |  |  |
Minimum | Megazyme Ltd and Subsidiary Megazyme Inc [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Finite lived intangible assets, useful life | 5 years |  |  |  |  |  |  |  |  |
Minimum | ARGENTINA | Productos Quimicos Magiar |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  |  |  |  |  | 5 years |  |  |
Minimum | URUGUAY | Productos Quimicos Magiar |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  |  |  |  |  | 5 years |  |  |
Minimum | ITALY | Diessechem Srl |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  |  |  |  | 5 years |  |  |  |
Minimum | AUSTRALIA | Cell BioSciences |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  |  | 3 years |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  |  |  |  |  |  |  | 25 years |
Maximum | Abtek Biologicals Limited |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  |  |  | 10 years |  |  |  |  |
Maximum | Chile-based Magiar Chilena |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  | 10 years |  |  |  |  |  |  |
Maximum | Megazyme Ltd and Subsidiary Megazyme Inc [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Finite lived intangible assets, useful life | 10 years |  |  |  |  |  |  |  |  |
Maximum | ARGENTINA | Productos Quimicos Magiar |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  |  |  |  |  | 10 years |  |  |
Maximum | URUGUAY | Productos Quimicos Magiar |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  |  |  |  |  | 10 years |  |  |
Maximum | ITALY | Diessechem Srl |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  |  |  |  | 10 years |  |  |  |
Maximum | AUSTRALIA | Cell BioSciences |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Finite lived intangible assets, useful life |  |  |  | 10 years |  |  |  |  |  |

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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
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