Intangible Assets, Net (Schedule of Intangible Asset Amortization Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 4,387	$ 4,843	$ 13,737	$ 14,260
Selling, General and Administrative Expenses [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense	3,304	3,637	10,251	10,385
Cost of Sales [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 1,083	$ 1,206	$ 3,486	$ 3,875