DISCONTINUED OPERATIONS AND ASSETS HELD FOR SALE - Summary of Financial Results (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net Sales	$ 0	$ 34,259
Loss from discontinued operations before income taxes	0	(40,112)
Income tax benefit	0	12,678	$ 3,300
Gain on sale of business	0	202
Earnings from discontinued operations	$ 0	(27,232)
Impairment of Long-Lived Assets to be Disposed of		40,813
Aviation Ground Support [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net Sales		600
Loss from discontinued operations before income taxes		(1,000)
Defense [Member] | Discontinued Operations, Disposed of by Sale [Member] | Aviation Ground Support [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of business		$ 900