Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash Flows From Operating Activities:
Net income	$ 102,927	$ 86,827
Impacts of noncash items:
Depreciation and amortization	19,899	18,350
Change in acquisition-related contingent consideration	1,514	682
Deferred income taxes and other changes	(8,633)	(3,576)
Stock-based compensation expense	3,484	3,110
Pension plan activity	(362)	(183)
Changes in operating assets and liabilities:
Receivables	(6,828)	(6,934)
Inventories	(11,738)	(3,107)
Other current assets	(303)	(6,527)
Accounts payable and accrued liabilities	16,879	18,569
Net cash provided by operating activities	116,839	107,211
Cash Flows From Investing Activities:
Cash paid for acquisitions, net of cash acquired	(318)	(34,997)
Payments for property additions	(22,561)	(20,059)
Other-net	(36)	88
Net cash used in investing activities	(22,915)	(54,968)
Cash Flows From Financing Activities:
Payment of dividends	(48,044)	(43,886)
Purchase of treasury stock	(1,102)	(866)
Tax withholdings for stock-based compensation	(552)	(820)
Net cash used in financing activities	(49,698)	(45,572)
Net change in cash and equivalents	44,226	6,671
Cash and equivalents at beginning of year	143,104	118,080
Cash and equivalents at end of period	187,330	124,751
Supplemental Disclosure of Operating Cash Flows:
Net cash payments for income taxes	$ 37,196	$ 55,913