BUSINESS COMBINATIONS - Preliminary fair value of assets acquired and liabilities assumed (Details) - USD ($) $ in Thousands	Jun. 30, 2022	May 03, 2021
HistoTox Labs
Assets acquired and liabilities assumed:
Trade receivables and contract assets	$ 977
Unbilled receivables	337
Operating lease right of use ("ROU") asset	2,239
Property and equipment	3,929
Intangible assets	8,300
Goodwill	9,339
Accounts payable	(150)
Accrued expenses	(136)
Customer advances	(207)
Current portion on long-term operating lease	(2,239)
Total	22,389
Bolder BioPATH
Assets acquired and liabilities assumed:
Cash.		$ 500
Trade receivables and contract assets	2,146
Unbilled receivables	1,798
Operating lease right of use ("ROU") asset	2,750
Property and equipment	6,523
Intangible assets	12,700
Other assets	34
Goodwill	36,206
Accounts payable	(153)
Accrued expenses	(243)
Deferred revenue	(662)
Deferred tax liability	(4,867)
Current portion on long-term operating lease	(2,750)
Total	53,482
Gateway Pharmacology Laboratories LLC
Assets acquired and liabilities assumed:
Trade receivables and contract assets	409
Operating lease right of use ("ROU") asset	120
Property and equipment	359
Intangible assets	100
Other assets	4
Goodwill	2,260
Accounts payable	(3)
Accrued expenses	(72)
Deferred tax liability	(171)
Current portion on long-term operating lease	(120)
Total	2,886
BioReliance Corporation
Assets acquired and liabilities assumed:
Property and equipment	175
Intangible assets	640
Total	815
Plato BioPharma Inc
Assets acquired and liabilities assumed:
Cash.	1,027
Trade receivables and contract assets	868
Prepaid expenses and other current assets	141
Operating lease right of use ("ROU") asset	2,566
Property and equipment	1,148
Intangible assets	4,800
Goodwill	9,247
Accounts payable	(110)
Deferred tax liability	(1,488)
Fees invoiced in advance	(99)
Current portion on long-term operating lease	(2,549)
Accrued expenses and other liabilities	(245)
Total	15,306
Envigo RMS Holding Corp
Assets acquired and liabilities assumed:
Cash.	3,091
Restricted cash	435
Trade receivables and contract assets	44,205
Inventory	42,338
Prepaid expenses and other current assets	18,960
Operating lease right of use ("ROU") asset	8,423
Property and equipment	109,956
Intangible assets	257,000
Other assets	7,676
Goodwill	291,319
Accounts payable	(15,913)
Fees invoiced in advance	(7,040)
Other liabilities	(4,205)
Current portion on long-term operating lease	(3,168)
Accrued expenses and other liabilities	(22,383)
Long-term operating leases, net	(5,045)
Long-term debt	(140)
Long-term deferred tax liabilities	(51,815)
Noncontrolling interest	880
Total	674,574
Robinson Services, Inc.
Assets acquired and liabilities assumed:
Customer relationship	4,700
Non-complete agreement	300
Supply agreement	200
Goodwill	948
Total	6,148
Integrated Laboratory Systems, LLC (ILS)
Assets acquired and liabilities assumed:
Cash.	797
Trade receivables and contract assets	4,257
Prepaid expenses and other current assets	64
Operating lease right of use ("ROU") asset	3,603
Property and equipment	3,911
Intangible assets	22,600
Goodwill	26,062
Accounts payable	(1,156)
Fees invoiced in advance	(2,420)
Current portion on long-term operating lease	(738)
Accrued expenses and other liabilities	(942)
Other liabilities, net	(41)
Long-term operating leases, net	(2,425)
Long-term deferred tax liabilities	(113)
Total	53,459
Orient BioResource Center, Inc
Assets acquired and liabilities assumed:
Cash.	5,481
Trade receivables and contract assets	2,025
Inventory	9,600
Prepaid expenses and other current assets	2,609
Property and equipment	8,336
Intangible assets	16,600
Goodwill	16,115
Accounts payable	(552)
Fees invoiced in advance	(6,548)
Accrued expenses and other liabilities	(287)
Long-term deferred tax liabilities	(4,105)
Total	$ 49,274