Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Cash Flows From Operating Activities:
Net income	$ 109,249	$ 95,808	$ 106,364
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	20,114	20,266	18,940
Deferred income taxes and other noncash changes	1,278	5,147	8,680
Stock-based compensation expense	2,901	2,922	2,297
Loss (gain) on sale of property	753	(92)	14
Pension plan activity	(61)	(1,122)	(1,326)
Changes in operating assets and liabilities:
Receivables	1,522	(8,763)	3,615
Inventories	(1,321)	2,181	9,624
Other current assets	(5,647)	5,536	317
Accounts payable and accrued liabilities	2,894	564	(1,071)
Net cash provided by operating activities	131,682	122,447	147,454
Cash Flows From Investing Activities:
Payments on property additions	(24,147)	(16,347)	(35,343)
Proceeds from sale of property	2,836	895	19
Other-net	(1,067)	(1,147)	(434)
Net cash used in investing activities	(22,378)	(16,599)	(35,758)
Cash Flows From Financing Activities:
Purchase of treasury stock	(609)	(8,315)	(43,103)
Payment of dividends	(178,063)	(38,464)	(35,696)
Excess tax benefit from stock-based compensation	794	301	479
Increase (decrease) in cash overdraft balance	324	0	(2,000)
Net cash used in financing activities	(177,554)	(46,478)	(80,320)
Net change in cash and equivalents	(68,250)	59,370	31,376
Cash and equivalents at beginning of year	191,636	132,266	100,890
Cash and equivalents at end of year	$ 123,386	$ 191,636	$ 132,266