Income Taxes (Schedule of Effective Tax Rate Reconciliation) (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
U.S. statutory federal rate applied to pretax income	35.00%	35.00%	35.00%
State and local income taxes, net of federal benefit	(1.00%)	3.70%	4.00%
Foreign tax rate differential	(14.40%)	(1.30%)	(0.40%)
Non-deductible expenses	(13.50%)	3.40%	2.40%
Goodwill and intangible asset impairment	(17.70%)	(0.00%)	(0.00%)
Change in state tax rate	(3.60%)	(0.70%)	1.20%
Domestic production activities deduction	(1.00%)	(1.60%)	(2.50%)
Other	(1.40%)	(0.10%)	(0.80%)
Valuation allowance for deferred tax assets	0.00%	0.10%	(0.40%)
Effective income tax rate	(17.60%)	38.50%	38.50%