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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2010
Cash flows from operating activities: |  |  |
Net earnings | $ 112,331 | $ 112,302 | $ 109,776
Adjustments to reconcile net earnings to net cash provided by operating activities: |  |  |
Depreciation and amortization | 12,467 | 8,700 | 8,130
Costs recognized on sale of acquired inventory | 7,573 | 1,835 | 0
Deferred income taxes | (7,363) | 3,194 | (1,551)
Stock-based compensation expense | 1,641 | 1,138 | 1,135
Excess tax benefit from stock option exercises | (51) | (847) | (196)
Impairment losses on investments | 3,254 | 0 | 0
Losses by equity method investees | 603 | 926 | 1,510
Other | 230 | 225 | 222
Change in operating assets and liabilities, net of acquisitions: |  |  |
Trade accounts and other receivables | (2,096) | (3,624) | (4,034)
Inventories | (1,577) | (1,021) | (2,368)
Prepaid expenses | (476) | 256 | (186)
Trade accounts payable and accrued expenses | 1,581 | (591) | (74)
Salaries, wages and related accruals | 686 | 1,268 | 414
Income taxes payable | (2,057) | 3,433 | (1,518)
Net cash provided by operating activities | 126,746 | 127,194 | 111,260
Cash flows from investing activities: |  |  |
Acquisitions, net of cash acquired | 0 | (131,766) | 0
Purchase of available-for-sale investments | (147,011) | (151,366) | (176,621)
Proceeds from sale of available-for-sale investments | 64,291 | 134,019 | 27,045
Proceeds from maturities of available-for-sale investments | 67,435 | 39,501 | 39,555
Additions to property and equipment | (6,017) | (3,630) | (4,644)
Distribution from unconsolidated entity | 463 | 0 | 50
Increase in other long-term assets | (829) | (943) | 0
Net cash used in investing activities | (21,668) | (114,185) | (114,615)
Cash flows from financing activities: |  |  |
Cash dividends | (41,018) | (39,691) | (38,388)
Proceeds from stock option exercises | 847 | 4,790 | 3,261
Excess tax benefit from stock option exercises | 51 | 847 | 196
Purchase of common stock for stock bonus plans | (907) | (294) | (607)
Repurchase of common stock | (23,598) | (1,940) | (14,973)
Net cash used in financing activities | (64,625) | (36,288) | (50,511)
Effect of exchange rate changes on cash and cash equivalents | (1,391) | 6,753 | (12,935)
Net change in cash and cash equivalents | 39,062 | (16,526) | (66,801)
Cash and cash equivalents at beginning of year | 77,613 | 94,139 | 160,940
Cash and cash equivalents at end of year | $ 116,675 | $ 77,613 | $ 94,139

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- Definition The noncash expense that accounts for the value of stock or unit options distributed to employees as compensation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph i -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_StockOptionPlanExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration