Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash Flows From Operating Activities:
Net income	$ 69,853	$ 77,071
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	15,158	14,469
Deferred income taxes and other noncash changes	6,355	5,643
(Gain) / loss on sale of property	(16)	14
Pension plan activity	(1,095)	(1,442)
Changes in operating assets and liabilities:
Receivables	(22,869)	(10,803)
Inventories	11,601	17,388
Other current assets	1,088	(2,231)
Accounts payable and accrued liabilities	5,088	(2,081)
Net cash provided by operating activities	85,163	98,028
Cash Flows From Investing Activities:
Payments on property additions	(12,178)	(26,857)
Proceeds from sale of property	385	19
Other - net	(913)	207
Net cash used in investing activities	(12,706)	(26,631)
Cash Flows From Financing Activities:
Purchase of treasury stock	(8,315)	(39,564)
Payment of dividends	(28,641)	(26,640)
Proceeds from the exercise of stock awards, including tax benefits	193	269
Increase in cash overdraft balance	0	1,350
Net cash used in financing activities	(36,763)	(64,585)
Net change in cash and equivalents	35,694	6,812
Cash and equivalents at beginning of year	132,266	100,890
Cash and equivalents at end of period	167,960	107,702
Supplemental Disclosure of Operating Cash Flows:
Cash paid during the period for income taxes	$ 30,187	$ 37,821