Significant Accounting Policies Major Components of Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Accounting Policies [Abstract]
Raw materials and purchased components	$ 180,218	$ 165,823
Service parts, garments and accessories	171,850	163,455
Finished goods	384,082	262,578
Less: reserves	(27,881)	(26,171)
Inventories	$ 708,269	$ 565,685