Major Components of Inventories (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Accounting Policies [Abstract]
Raw materials and purchased components	$ 167,569	$ 165,823
Service parts, garments and accessories	189,731	163,455
Finished goods	388,970	262,578
Less: reserves	(36,269)	(26,171)
Inventories	$ 710,001	$ 565,685