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Summary Of Significant Accounting Policies (Narrative) (Details) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2015 USD ($) segment | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Jun. 09, 2015 EUR (€) | Dec. 31, 2012 USD ($)
Significant Accounting Policies [Line Items] |  |  |  |  |
Number of operating segments | segment | 3 |  |  |  |
Cash and cash equivalents | $ 81,692 | $ 97,877 | $ 54,066 |  | $ 477,672
Advertising and promotion expenses | 49,056 | 45,487 | 42,627 |  |
Co-op advertising expenses | 5,419 | 4,826 | 4,307 |  |
Change in U.S. dollar value of euro denominated debt | 18,025 |  |  |  |
Change in U.S. dollar value of euro denominated debt, net of tax | $ 11,266 |  |  |  |
Minimum eligible service period (days) | 90 days |  |  |  |
Employer matching contribution, percent of match | 50.00% |  |  |  |
Maximum percentage of employee salary company matches at disclosed ratio | 6.00% |  |  |  |
Employee contributions | $ 45,279 | 42,681 | 38,632 |  |
Employer contributions to employee benefit plan | 18,882 | 17,654 | $ 15,994 |  |
Deferred tax liabilities reclassified as noncurrent | $ (350,758) | (252,953) |  |  |
2.00% Senior Notes Due January 14, 2022 [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Aggregate principal amount of debts | € |  |  |  | € 500,000,000 |
Interest rate percentage |  |  |  | 2.00% |
Minimum [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Finite intangible assets useful life, minimum (years) | 7 years |  |  |  |
Minimum [Member] | Buildings And Improvements [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Estimated useful lives of property, plant and equipment, minimum (years) | 25 years |  |  |  |
Minimum [Member] | Machinery and equipment [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Estimated useful lives of property, plant and equipment, minimum (years) | 5 years |  |  |  |
Minimum [Member] | Furniture and fixtures [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Estimated useful lives of property, plant and equipment, minimum (years) | 3 years |  |  |  |
Maximum [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Finite intangible assets useful life, minimum (years) | 16 years |  |  |  |
Maximum [Member] | Buildings And Improvements [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Estimated useful lives of property, plant and equipment, minimum (years) | 40 years |  |  |  |
Maximum [Member] | Machinery and equipment [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Estimated useful lives of property, plant and equipment, minimum (years) | 15 years |  |  |  |
Maximum [Member] | Furniture and fixtures [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Estimated useful lives of property, plant and equipment, minimum (years) | 7 years |  |  |  |
Non-US [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Cash and cash equivalents | $ 61,173 | 76,771 |  |  |
New Accounting Pronouncement, Early Adoption, Effect [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Deferred tax liabilities reclassified as noncurrent |  | 9,090 |  |  |
Deferred tax assets reclassified as noncurrent |  | 151,784 |  |  |
Foreign Pension Plan [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Funded status of plan | 3,224 | 3,320 |  |  |
Foreign Pension Plan [Member] | Accumulated Other Comprehensive Income (Loss) [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Funded status of plan | 1,075 | 1,450 |  |  |
Foreign Pension Plan [Member] | Other Noncurrent Liabilities [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Funded status of plan | $ 2,149 | $ 1,870 |  |  |

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