Significant Accounting Policies Major Components of Inventories (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Accounting Policies [Abstract]
Raw materials and purchased components	$ 171,738	$ 165,823
Service parts, garments and accessories	178,608	163,455
Finished goods	358,356	262,578
Less: reserves	(34,090)	(26,171)
Inventories	$ 674,612	$ 565,685