INVENTORIES (Details) (USD $)	Dec. 31, 2013		Dec. 31, 2012
Inventories [Abstract]
Raw materials	$ 17,099,000		$ 14,946,000
Work in progress	21,605,000		20,012,000
Manufactured and purchased components	21,675,000		18,898,000
Finished goods	40,572,000		30,792,000
Product inventory	100,951,000		84,648,000
Capitalized contract costs	12,227,000	[1]	5,391,000	[1]
Total inventories	113,178,000		90,039,000
Loss on Long-term Production Contracts [Member]
Inventories [Abstract]
Loss reserve	(2,057)
Correction of Inventory Classification [Member]
Inventories [Abstract]
Raw materials			(5,505,000)
Manufactured and purchased components			$ 5,505,000

[1] 2013 includes a reduction to inventory of $2,057 related to a loss reserve on a long-term production contract.