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Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2011
Contingencies - (Tables) [Abstract] |
Warranty Accrual Activity Table | A summary of the Company's warranty accrual activity is presented below (in thousands):
|  | 2011 |  |  | 2010 |  |  | 2009 |
Balance, beginning of year |  | $ | 7,038 |  |  | $ | 7,341 |  |  | $ | 9,885 |
Additions charged to costs and expenses |  |  | 8,846 |  |  |  | 5,671 |  |  |  | 4,416 |
Deductions |  |  | (7,716 | ) |  |  | (5,895 | ) |  |  | (7,659 | )
Other |  |  | (21 | ) |  |  | (79 | ) |  |  | 699 |
Balance, end of year |  | $ | 8,147 |  |  | $ | 7,038 |  |  | $ | 7,341 |

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- Definition Disclosure for standard and extended product warranties and other product guarantee contracts, including a tabular reconciliation of the changes in the guarantor's aggregate product warranty liability for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 45 -Paragraph 14 -Subparagraph a, b + Details
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