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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Summary Of Significant Accounting Policies (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Significant Accounting Policies [Line Items]
Cash and cash equivalents	$ 97,877	$ 54,066	$ 477,672	$ 311,945
Advertising and promotion expenses	45,487us-gaap_AdvertisingExpense	42,627us-gaap_AdvertisingExpense	29,175us-gaap_AdvertisingExpense
Co-op advertising expenses	4,826us-gaap_CooperativeAdvertisingExpense	4,307us-gaap_CooperativeAdvertisingExpense	6,424us-gaap_CooperativeAdvertisingExpense
Securities excluded from computation of earnings per share amount	0	0	891
Non-US [Member]
Significant Accounting Policies [Line Items]
Cash and cash equivalents	$ 76,771	$ 31,278
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)	35 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