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Summary Of Significant Accounting Policies (Tables) | 12 Months Ended
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Jun. 30, 2012
Summary Of Significant Accounting Policies [Abstract] |
Schedule Of Work In Process Inventory As Percentage Of Total Work In Process And Finished Goods Inventory |
|  | 2012 |  | 2011
Work in process as a percentage of the combined total of finished goods and work in process............................................................................................. |  | 3% |  | 4%
Schedule Of Construction In Progress In Accounts Payable |
|  | 2012 |  | 2011 |  | 2010
Construction in progress in accounts payable...................... |  | $687 |  | $45 |  | $90
Schedule Of Depreciation Expense |
|  | 2012 |  | 2011 |  | 2010
Depreciation expense................................................................ |  | $ 17,767 |  | $ 15,961 |  | $ 17,049
Schedule Of Advertising Expense As Percentage Of Net Sales |
|  | 2012 |  | 2011 |  | 2010
Advertising expense as a percentage of net sales................. .............................................................................................. .............................................................................................. .............................................................................................. |  | 2% |  | 2% |  | 2%
Schedule Of Basic And Diluted Earnings Per Share Calculations |
|  | 2012 |  | 2011 |  | 2010
| Net income....................................................................................... | $ 95,808 |  | $106,364 |  | $114,969
| Net income available to participating securities........................ | (177) |  | (146) |  | (198)
| Net income available to common shareholders........................ | $ 95,631 |  | $106,218 |  | $114,771
| Weighted average common shares outstanding: |  |  |  |  |
| Basic.................................................................................................. | 27,233 |  | 27,664 |  | 28,144
| Incremental share effect from: |  |  |  |  |
| Stock options................................................................................ | – |  | – |  | 3
| Restricted stock............................................................................ | 4 |  | 5 |  | 6
| Stock-settled stock appreciation rights.................................... | 28 |  | 20 |  | 21
| Diluted............................................................................................... | 27,265 |  | 27,689 |  | 28,174
|  | Net income per common share: |  |  |  |  |
|  | Basic.................................................................................................. | $ 3.51 |  | $ 3.84 |  | $ 4.08
| Diluted............................................................................................... | $ 3.51 |  | $ 3.84 |  | $ 4.07

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