Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities:
Net income	$ 125,953	$ 113,745
Adjustments to reconcile net income to net cash provided by operating activities:
Non-cash compensation expense	5,402	4,547
Non-cash compensation to directors	843	768
Depreciation	16,147	14,379
Amortization	5,111	5,257
Deferred income taxes	3,324	5,782
Other items, net	1,128	947
Change in operating assets and liabilities:
Trade receivables	(29,350)	726
Inventories	(28,513)	(44,986)
Prepaid expenses and other assets	(390)	(2,461)
Accounts payable	6,776	16,977
Income taxes payable	307	100
Accrued expenses	2,885	6,844
Other liabilities	(1,633)	(3,583)
Net cash provided by operating activities	107,990	119,042
Investing activities:
Purchases of property, plant and equipment	(43,505)	(40,070)
Payment for acquisition, net of cash acquired	0	(6,566)
Net cash used in investing activities	(43,505)	(46,636)
Financing activities:
Proceeds from revolving credit facility	141,700	0
Principal payments on long-term borrowings	(23,125)	(3,938)
Payments on revolving credit facility	(217,000)	(20,000)
Payment of deferred financing costs	(1,362)	0
Proceeds received from exercise of stock options	132	971
Cash paid for withholding taxes on vested restricted stock	(2,895)	(2,058)
Distributions to LLC Unit holders	(2,429)	(1,697)
Repurchase and retirement of common stock	(7,868)	(30,210)
Net cash used in financing activities	(112,847)	(56,932)
Effect of exchange rate changes on cash	(224)	13
Changes in cash	(48,586)	15,487
Cash—Beginning of period	83,744	41,479
Cash—End of period	35,158	56,966
Supplemental cash flow information:
Cash paid for interest	2,457	1,544
Cash paid for income taxes	$ 34,117	$ 27,007