BUSINESS COMBINATIONS - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands								3 Months Ended						9 Months Ended
	Jul. 07, 2022	Apr. 25, 2022	Jan. 27, 2022	Jan. 10, 2022	Dec. 29, 2021	Nov. 05, 2021	Oct. 04, 2021	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2023	Jun. 30, 2022	Apr. 04, 2023
BUSINESS COMBINATIONS
Consideration in cash														$ 0	$ 287,129
Net income (loss) attributable to common shareholders								$ 1,840	$ (9,994)	$ (87,323)	$ (3,728)	$ (6,087)	$ (83,047)	$ (95,477)	$ (92,862)
Period for payment of consideration extension																1 year
Plato BioPharma Inc
BUSINESS COMBINATIONS
Consideration in cash							$ 10,530
Shares issued (in shares)							57,587
Common shares value							$ 1,776
Plato BioPharma Inc | Promissory Note
BUSINESS COMBINATIONS
Principal amount							$ 3,000
Plato BioPharma Inc | Customer relationships
BUSINESS COMBINATIONS
Weighted-average estimated useful life							8 years
Envigo RMS Holding Corp
BUSINESS COMBINATIONS
Shares issued (in shares)						8,245,918
Common shares value						$ 439,590
Aggregate consideration paid, including adjustments for net working capital						$ 217,808
Shares issuable upon the exercise of stock option (in shares)						790,620
Exercisable weighted-average exercise price (in dollars per share)						$ 9.93
Stock options (in dollars per share)						44.80
Stock price (in dollars per share)						$ 53.31
Total value of options						$ 35,418
Value of options excluded from purchase price						18,242
Vested stock options reflected as purchase consideration						17,176
Net income (loss) attributable to common shareholders						2,222
Unrecognized tax benefit						1,861
Goodwill deductible for tax purposes						$ 50,428
Envigo RMS Holding Corp | Customer relationships
BUSINESS COMBINATIONS
Weighted-average estimated useful life						12 years 6 months
Envigo RMS Holding Corp | Intellectual property
BUSINESS COMBINATIONS
Weighted-average estimated useful life						8 years 9 months 18 days
Robinson Services, Inc.
BUSINESS COMBINATIONS
Shares issued (in shares)					70,633
Common shares value					$ 2,898
Aggregate consideration paid, including adjustments for net working capital					$ 3,250
Robinson Services, Inc. | Customer relationships
BUSINESS COMBINATIONS
Weighted-average estimated useful life					7 years 6 months
Integrated Laboratory Systems, LLC (ILS)
BUSINESS COMBINATIONS
Consideration in cash				$ 38,993
Shares issued (in shares)				429,118
Common shares value				$ 14,466
Escrowed amount				3,800
Settlement of a preexisting relationship				$ (15)
Integrated Laboratory Systems, LLC (ILS) | Customer relationships
BUSINESS COMBINATIONS
Weighted-average estimated useful life				9 years
Orient BioResource Center, Inc
BUSINESS COMBINATIONS
Consideration in cash			$ 26,522
Shares issued (in shares)			677,339
Common shares value			$ 18,410
Weighted-average estimated useful life			10 years 1 month 6 days
Goodwill deductible for tax purposes			$ 0
Settlement of a preexisting relationship			1,017
Liabilities incurred			3,325
Gain or loss on settlement			$ 0
Period for payment of consideration			18 months
Histion LLC Acquisition
BUSINESS COMBINATIONS
Consideration in cash		$ 950
Shares issued (in shares)		17,618
Common shares value		$ 364
Principal amount		$ 433
Protypia, Inc.
BUSINESS COMBINATIONS
Consideration in cash	$ 9,460
Shares issued (in shares)	74,997
Common shares value	$ 806
Principal amount	$ 600
Weighted-average estimated useful life	8 years 1 month 6 days
Goodwill deductible for tax purposes	$ 0