Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Goodwill and other intangible assets	$ 11,879	$ 14,066
Stock-based compensation	7,428	7,172
Deferred compensation	5,310	5,040
Warranty	8,809	7,845
Inventory	5,974	3,897
Other	4,922	3,189
Total deferred tax assets	44,322	41,209
Fixed assets	(14,931)	(10,756)
Net deferred tax assets	$ 29,391	$ 30,453