Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Cash Flows From Operating Activities:
Net income	$ 72,356	$ 62,139
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	11,943	12,149
Deferred income taxes and other noncash changes	71	269
Stock-based compensation expense	2,155	1,353
Excess tax benefit from stock-based compensation	(154)	(411)
Pension plan activity	(122)	(148)
Changes in operating assets and liabilities:
Receivables	(3,931)	1,731
Inventories	(3,589)	(2,572)
Other current assets	918	51
Accounts payable and accrued liabilities	(3,831)	(115)
Net cash provided by operating activities	75,816	74,446
Cash Flows From Investing Activities:
Cash paid for acquisitions, net of cash acquired	(34,997)	(12)
Payments for property additions	(11,838)	(7,362)
Other-net	94	(379)
Net cash used in investing activities	(46,741)	(7,753)
Cash Flows From Financing Activities:
Payment of dividends (including special dividend payment, 2017-$0; 2016-$136,677)	(28,794)	(163,139)
Purchase of treasury stock	(8)	0
Excess tax benefit from stock-based compensation	154	411
Increase in cash overdraft balance	0	974
Net cash used in financing activities	(28,648)	(161,754)
Net change in cash and equivalents	427	(95,061)
Cash and equivalents at beginning of year	118,080	182,202
Cash and equivalents at end of period	118,507	87,141
Supplemental Disclosure of Operating Cash Flows:
Cash paid during the period for income taxes	$ 37,383	$ 33,600