Income Taxes (Schedule of Effective Tax Rate Reconciliation) (Details)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
U.S. statutory federal rate applied to pretax income (loss)	35.00%	35.00%	35.00%
State and local income taxes, net of federal benefit	2.60%	(1.00%)	3.70%
Foreign tax rate differential	(0.10%)	(14.40%)	(1.30%)
Non-deductible expenses	4.40%	(13.50%)	3.40%
Goodwill and intangible assets	(0.70%)	(17.70%)	(0.00%)
Change in tax rate	(1.90%)	(3.60%)	(0.70%)
Domestic production activities deduction	(2.90%)	(1.00%)	(1.60%)
Other	(0.10%)	(1.40%)	(0.10%)
Valuation allowance for deferred tax assets	4.30%	0.00%	0.10%
Effective income tax rate	40.60%	(17.60%)	38.50%