DISCONTINUED OPERATIONS DISCONTINUED OPERATIONS (Narrative) (Details) (USD $)	3 Months Ended				9 Months Ended				3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	6 Months Ended	9 Months Ended	3 Months Ended	6 Months Ended	9 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014 Surface Technology [Member]	Sep. 30, 2014 Surface Technology [Member]	Sep. 30, 2014 Aviation Ground Support Equipment [Member]	Sep. 30, 2014 Aviation Ground Support Equipment [Member]	Sep. 30, 2014 Engineered Packaging [Member]	Sep. 30, 2014 Engineered Packaging [Member]	Jun. 30, 2014 Benshaw [Member]	Jun. 30, 2014 Benshaw [Member]	Sep. 30, 2014 Benshaw [Member]	Jun. 30, 2014 3 D Radar [Member]	Jun. 30, 2014 3 D Radar [Member]	Sep. 30, 2014 3 D Radar [Member]	Apr. 30, 2014 3 D Radar [Member]	Sep. 30, 2014 Downstream [Member]	Sep. 30, 2014 Downstream [Member]	Sep. 30, 2014 Upstream [Member]	Sep. 30, 2014 Upstream [Member]	Sep. 30, 2014 Vessels [Member]	Sep. 30, 2014 Vessels [Member]
Income Statement Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Disposable Group, Including Discontinued Business, Number of Facilities to be Disposed of									2
Proceeds from sale of assets															$ 49,700,000	$ 49,700,000					$ 2,400,000					$ 2,000,000	$ 2,000,000
Gain (loss) on sale of businesses					(15,178,000)		0										(7,300,000)			600,000							(8,600,000)
Income (loss) from discontinued operations before income taxes	(19,642,000)	[1]	(2,642,000)	[1]	(24,317,000)	[1]	(6,045,000)	[1]	(1,100,000)	(1,100,000)	(6,600,000)	(7,700,000)	(2,600,000)	(1,400,000)	(2,400,000)	(3,100,000)		(300,000)	(1,100,000)			(10,300,000)	(10,289,000)	3,700,000	11,100,000	(2,755,000)	(10,809,000)
Impairment of assets held for sale	17,573,000				17,573,000		0		1,000,000	1,000,000	6,500,000	6,500,000	3,000,000	3,000,000								7,000,000	7,000,000
Net sales	$ 79,099,000		$ 88,258,000		$ 275,612,000		$ 277,625,000		$ 1,200,000	$ 3,700,000	$ 7,400,000	$ 21,100,000	$ 4,500,000	$ 15,000,000	$ 14,300,000	$ 29,000,000		$ 200,000	$ 300,000			$ 29,000,000	$ 85,000,000	$ 35,100,000	$ 116,000,000	$ 1,827,000	$ 5,545,000

[1] Loss from discontinued operations before income taxes includes approximately $17.6 million of held for sale impairment expense in the three and nine months ended September 30, 2014.