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Summary of Significant Accounting Policies (Assets, Liabilities and Net Assets of Company's Venezuelan Subsidiaries) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Significant Accounting Policies [Line Items]
Net Revenues	$ 157,630	$ 148,103
Assets	1,083,469		$ 1,003,606
Liabilities	(730,403)		(664,148)
Venezuelan Operations [Member]
Significant Accounting Policies [Line Items]
Net Revenues	12,105	$ 13,955
Assets	71,974		65,407
Liabilities	(39,781)		(36,266)
Net Assets	$ 32,193		$ 29,141

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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