BUSINESS COMBINATIONS - Fair value of assets acquired and liabilities assumed (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Jan. 27, 2022	Jan. 10, 2022	Dec. 29, 2021	Nov. 05, 2021	Oct. 04, 2021
Plato BioPharma Inc
Assets acquired and liabilities assumed:
Cash						$ 1,027
Trade receivables and contract assets						853
Prepaid expenses and other current assets						133
Operating lease right of use ("ROU") asset						2,272
Property and equipment						1,127
Intangible assets						4,800
Goodwill						9,279
Accounts payable						(113)
Accrued expenses						(343)
Deferred tax liabilities						(1,457)
Long-term operating leases, net						(2,272)
Total						$ 15,306
Envigo RMS Holding Corp
Assets acquired and liabilities assumed:
Cash					$ 2,488
Restricted cash					435
Trade receivables and contract assets					43,566
Inventories					40,000
Prepaid expenses and other current assets					17,373
Operating lease right of use ("ROU") asset					13,229
Property and equipment					106,338
Other assets					7,676
Goodwill					282,768
Accounts payable					(25,832)
Accrued expenses					(11,665)
Deferred tax liabilities					(77,291)
Fees invoiced in advance					(7,047)
Current portion on long-term operating lease					(4,371)
Long-term operating leases, net					(8,634)
Other liabilities					(5,339)
Noncontrolling interest					880
Total					674,574
Envigo RMS Holding Corp | Customer Relationships
Assets acquired and liabilities assumed:
Intangible assets					251,000
Envigo RMS Holding Corp | Intellectual property
Assets acquired and liabilities assumed:
Intangible assets					$ 49,000
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			4,730
Operating lease right of use ("ROU") asset			4,994
Property and equipment			4,436
Intangible assets			22,300
Goodwill			25,283
Accounts payable			(1,165)
Accrued expenses			(905)
Fees invoiced in advance			(2,472)
Long-term operating leases, net			(4,554)
Total			$ 53,444
Orient BioResource Center, Inc
Assets acquired and liabilities assumed:
Cash		$ 5,481
Trade receivables and contract assets		2,025
Inventories		9,400
Prepaid expenses and other current assets		2,609
Property and equipment		8,336
Intangible assets		13,400
Goodwill		18,624
Accounts payable		(552)
Accrued expenses		(285)
Deferred tax liabilities		(3,216)
Fees invoiced in advance		(6,548)
Total		$ 49,274
Protypia, Inc.
Assets acquired and liabilities assumed:
Intangible assets	$ 5,600
Goodwill	6,002
Deferred tax liabilities	(652)
Other liabilities	(84)
Total	$ 10,866