Goodwill and Other Intangible Assets, Net - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Oct. 26, 2022	Sep. 30, 2022
Amortization of identifiable assets	$ 2,541	$ 2,483
2023	7,425	7,425
2024	9,900	9,900
2025	9,890	9,890
2026	8,900	8,900
2027	6,645	6,645
2028	6,645	$ 6,645
Increase (decrease) in goodwill during the period	4,265
Goodwill	120,567			$ 116,302
Diagnostics [Member]
Increase (decrease) in goodwill during the period	20
Life Science [Member]
Increase (decrease) in goodwill during the period	4,245
Estel [Member]
Goodwill	$ 3,500		$ 3,500

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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