Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Cash Flows From Operating Activities:
Net income	$ 61,939	$ 51,631
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	9,971	10,113
Deferred income taxes and other noncash changes	(848)	3,206
Stock-based compensation expense	1,623	1,195
Gain on sale of property	(41)	0
Pension plan activity	(30)	(1,067)
Changes in operating assets and liabilities:
Receivables	(18,153)	(20,530)
Inventories	9,160	18,582
Other current assets	(1,385)	6,173
Accounts payable and accrued liabilities	5,515	(2,684)
Net cash provided by operating activities	67,751	66,619
Cash Flows From Investing Activities:
Payments on property additions	(10,359)	(9,080)
Proceeds from sale of property	148	0
Other-net	(359)	(491)
Net cash used in investing activities	(10,570)	(9,571)
Cash Flows From Financing Activities:
Purchase of treasury stock	0	(8,191)
Payment of dividends	(156,755)	(18,820)
Excess tax benefit from stock-based compensation	459	78
Net cash used in financing activities	(156,296)	(26,933)
Net change in cash and equivalents	(99,115)	30,115
Cash and equivalents at beginning of year	191,636	132,266
Cash and equivalents at end of period	92,521	162,381
Supplemental Disclosure of Operating Cash Flows:
Cash paid during the period for income taxes	$ 32,043	$ 14,539