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Other Financial Data | 12 Months Ended
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Sep. 30, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Other Financial Data | 13. Other Financial Data Items charged to continuing operations during the years ended September 30, 2013, 2012 and 2011 included the following:
(Dollars in thousands) |  | 2013 |  |  | 2012 |  |  | 2011 |
Salaries and wages (including fringes) |  | $ | 151,805 |  |  |  | 138,192 |  |  |  | 129,572 |
Maintenance and repairs |  |  | 4,368 |  |  |  | 4,248 |  |  |  | 3,568 |
Research and development (R&D) costs: |  |  |  |  |  |  |  |  |  |  |  |
Company-sponsored |  |  | 12,704 |  |  |  | 14,293 |  |  |  | 14,936 |
Customer-sponsored |  |  | 15,014 |  |  |  | 9,171 |  |  |  | 8,527 |
Total R&D |  |  | 27,718 |  |  |  | 23,464 |  |  |  | 23,463 |
Other engineering costs |  |  | 7,715 |  |  |  | 12,217 |  |  |  | 7,406 |
Total R&D and other engineering costs |  | $ | 35,433 |  |  |  | 35,681 |  |  |  | 30,869 |
As a % of net sales |  |  | 7.2 | % |  |  | 7.5 | % |  |  | 6.8 | %
A reconciliation of the changes in accrued product warranty liability for the years ended September 30, 2013, 2012 and 2011 is as follows:
(Dollars in thousands) |  | 2013 |  | 2012 |  | 2011 |
Balance as of October 1, |  | $ | 1,536 |  |  | 2,120 |  |  | 1,967 |
Additions charged to expense |  |  | 1,048 |  |  | 197 |  |  | 770 |
Deductions |  |  | (704) |  |  | (781) |  |  | (617) |
Balance as of September 30, |  | $ | 1,880 |  |  | 1,536 |  |  | 2,120 |

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