Statements of Operations-Additional Information - Depreciation and Amortization (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Depreciation and amortization
Depreciation of property, plant and equipment	$ 6,067	$ 6,214	$ 18,177	$ 17,792
Amortization of intangible assets	2,422	2,231	7,261	6,508
Depreciation and amortization	$ 8,489	$ 8,445	$ 25,438	$ 24,300

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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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

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