Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash Flows From Operating Activities:
Net income	$ 33,400	$ 27,628
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,986	6,039
Deferred income taxes and other noncash changes	(746)	(791)
Stock-based compensation expense	1,145	785
Excess tax benefit from stock-based compensation	(64)	(186)
Pension plan activity	(61)	(74)
Changes in operating assets and liabilities:
Receivables	(4,679)	(11,633)
Inventories	(13,668)	(12,256)
Other current assets	3,573	2,587
Accounts payable and accrued liabilities	20,487	21,212
Net cash provided by operating activities	45,373	33,311
Cash Flows From Investing Activities:
Cash paid for acquisition, net of cash acquired	0	(12)
Payments for property additions	(4,144)	(3,360)
Other-net	92	(331)
Net cash used in investing activities	(4,052)	(3,703)
Cash Flows From Financing Activities:
Payment of dividends	(13,710)	(12,586)
Purchase of treasury stock	(8)	0
Excess tax benefit from stock-based compensation	64	186
Net cash used in financing activities	(13,654)	(12,400)
Net change in cash and equivalents	27,667	17,208
Cash and equivalents at beginning of year	118,080	182,202
Cash and equivalents at end of period	145,747	199,410
Supplemental Disclosure of Operating Cash Flows:
Cash paid during the period for income taxes	$ 470	$ 2,237