Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 84,124	$ 84,150
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	13,864	9,279
Costs recognized on sale of acquired inventory	4,312	3,496
Deferred income taxes	(4,098)	(2,054)
Stock-based compensation expense	2,635	1,374
Other	424	382
Change in operating assets and operating liabilities, net of acquisition:
Trade accounts and other receivables	(6,862)	(2,319)
Inventories	(704)	(2,032)
Prepaid expenses	(38)	(240)
Trade accounts payable and accrued expenses	575	(215)
Salaries, wages and related accruals	1,463	636
Income taxes payable	3,146	1,118
Net cash provided by operating activities	98,841	93,575
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions, net of cash acquired	(103,149)	0
Purchase of available-for-sale investments	(89,283)	(89,099)
Proceeds from sales of available-for-sale investments	43,375	26,367
Proceeds from maturities of available-for-sale investments	46,754	53,987
Additions to property and equipment	(11,719)	(17,108)
Distributions from unconsolidated entities	85	0
Increase in other long-term assets	(60)	(592)
Net cash used in investing activities	(113,997)	(26,445)
CASH FLOWS FROM FINANCING ACTIVITIES:
Cash dividends	(33,925)	(32,413)
Proceeds from stock option exercises	5,128	824
Excess tax benefit from stock option exercises	0	69
Purchase of common stock for stock bonus plans	0	(573)
Net cash used in financing activities	(28,797)	(32,093)
Effect of exchange rate changes on cash and cash equivalents	3,770	(999)
Net increase in cash and cash equivalents	(40,183)	34,038
Cash and cash equivalents at beginning of period	163,786	116,675
Cash and cash equivalents at end of period	$ 123,603	$ 150,713