CONSOLIDATED SUPPLEMENTARY FINANCIAL DATA Narrative (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Quarterly Financial Data [Abstract]
Restructuring charges	$ 3,600		$ 3,576	$ 39	$ 5,546
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount		$ (174,456)
Stock Repurchased and Retired During Period, Shares			(7,812)