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Acquisitions (Schedule Of Estimated Fair Value Of The Assets Acquired And Liabilities Assumed In Business Acquisition) (Details) (CLC [Member], USD $) In Thousands, unless otherwise specified	Aug. 16, 2013
CLC [Member]
Business Acquisition [Line Items]
Current assets	$ 8,686
Property and equipment	7,604
Intangible assets	13,700
Other long-term assets	481
Current liabilities	(1,784)
Long-term debt	(1,400)
Other long-term liabilities	(5,537)
Total identifiable net assets acquired	21,750
Goodwill	7,257
Total	$ 29,007

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The amount of acquisition cost of a business combination allocated to current assets.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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