Acquisitions (Schedule Of Purchase Price Allocation Of The Cost Based On The Fair Values) (Details) (USD $) In Thousands, unless otherwise specified	Jan. 10, 2011
Acquisitions [Abstract]
Current assets	$ 942
Property, plant and equipment	314
Intangible assets	29,550
Goodwill	12,973
Other assets	50
Total assets acquired	43,829
Current liabilities	(536)
Deferred tax liabilities	(2,948)
Total liabilities assumed	(3,484)
Net assets acquired	$ 40,345