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Summary of Significant Accounting Policies (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Feb. 21, 2011 | Dec. 31, 2008
Summary of Significant Accounting Policies [Abstract] |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), foreign currency translation adjustment | $ (20,286) | $ (17,145) | $ (17,907) |  | $ (23,011)
Restricted Cash | 3,279 | 0 |  |  |
Number of shares authorized for repurchase (in shares) |  |  |  | 1,000,000 |
Machine warranty, range minimum (in years) |  | 1 |  |  |
Machine warranty, range maximum (in years) |  | 4 |  |  |
Advertising Costs | $ 6,728 | $ 5,516 | $ 4,380 |  |
Building and Improvements [Member] |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Useful life, Average (in years) | 30 |  |  |  |
Other Property, Plant and Equipment [Member] |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Property, Plant and Equipment, Useful life, Minimum (in years) | 3 |  |  |  |
Property, Plant and Equipment, Useful life, Maximum (in years) | 15 |  |  |  |

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 93-7 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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