Significant Accounting Policies Major Components of Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Accounting Policies [Abstract]
Raw materials and purchased components	$ 160,457	$ 167,569
Service parts, garments and accessories	186,847	189,731
Finished goods	394,517	388,970
Less: reserves	(49,549)	(36,269)
Inventories	$ 692,272	$ 710,001