Goodwill and Other Intangible Assets - Amortization Expense (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Goodwill and Other Intangible Assets
Total amortization expense	$ 2,000	$ 1,600	$ 4,100	$ 3,200
Amortization of intangible assets	$ 1,060	$ 1,584	$ 2,153	$ 3,169

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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