QUARTERLY FINANCIAL DATA (UNAUDITED) (NARRATIVE) (DETAILS) - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
QUARTERLY FINANCIAL DATA (UNAUDITED) [ABSTRACT]
Goodwill Impairment Loss					$ (1,363)	$ (7,725)
Loss on assets held-for-sale					$ 5,300	$ 0	$ 0
Benefit to Income Taxes Related to Restructuring Charges	$ 1,300			$ 200
Expense to Fair Value Contingent Consideration	4,300
Net Change in Valuation Allowance			$ 100	400
Benefit to Income Taxes Related to Impairments	$ 1,500			$ 8,300
Expense to Income Taxes Related to Uncertain Tax Position		$ 1,100