INCOME TAXES (Schedule Of Provision For Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current:
Federal	$ 46,665	$ 10,330	$ (2,931)
State	2,301	2,124	399
Foreign	5,205	3,666	632
Total current	54,171	16,120	(1,900)
Deferred:
Federal	1,282	(5,524)	(2,409)
State	(394)	695	(1,136)
Foreign	(1,239)	(2,020)	2,204
Total deferred	(351)	(6,849)	(1,341)
Provision (benefit) for income taxes	$ 53,820	$ 9,271	$ (3,241)