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Contingencies (Details) (USD $) | 12 Months Ended
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Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Contingencies [Abstract] |  |  |
Rent expense | $ 29,700,000 | $ 29,100,000 | $ 27,000,000
Total future minimum property lease commitments | 116,300,000 |  |
Future minimum lease payments due in 2011 | 28,600,000 |  |
Future minimum lease payments due in 2012 | 23,300,000 |  |
Future minimum lease payments due in 2013 | 20,900,000 |  |
Future minimum lease payments due in 2014 | 17,100,000 |  |
Future minimum lease payments due in 2015 | 12,500,000 |  |
Future minimum lease payments due thereafter | 13,900,000 |  |
Product Warranty Disclosure [Abstract] |  |  |
Balance at beginning of year | 7,038,000 | 7,341,000 | 9,885,000
Additions charged to costs and expenses | 8,846,000 | 5,671,000 | 4,416,000
Deductions | 7,716,000 | 5,895,000 | 7,659,000
Other | (21,000) | (79,000) | 699,000
Balance at end of year | 8,147,000 | 7,038,000 | 7,341,000
Outstanding surety bonds | $ 313,000,000 |  |

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- Definition Represents the aggregate net adjustments in the liability for accruals related to standard and extended product warranties acquired in a business acquisition, increase (decrease) in product warranty liability due to currency translation and any other increase (decrease) in product warranties not previously disclosed or identified, issued during the reporting period. + References No definition available. + Details
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- Definition The amount of outstanding surety bonds by the company as of the balance sheet date. + References No definition available. + Details
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- Definition Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 15 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph c + Details
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- Definition The total of future contractually required payments on leases defined as operating. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) + Details
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- Definition For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within one year of the balance sheet date relating to leases defined as operating. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) + Details
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- Definition For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the fifth year of the balance sheet date relating to leases defined as operating. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) + Details
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- Definition For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the second year of the balance sheet date relating to leases defined as operating. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) + Details
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- Definition For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due after the fifth year from the balance sheet date on leases defined as operating. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) + Details
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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 5 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9, 10 + Details
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- Definition Represents the aggregate decrease in the liability related to payments to satisfy claims for standard and extended product warranties. + References No definition available. + Details
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