DEFERRED REVENUE (Tables)

6 Months Ended

Jun. 30, 2015

DEFERRED REVENUE [Abstract]

Summary Of Recognized Deferred Revenue

	Three Months Ended		Six Months Ended
	June 30			June 30
in thousands	2015	2014		2015	2014
Deferred Revenue
Balance at beginning of period	$     218,987	$     223,946		$     219,968	$     224,743
Cash received and revenue deferred	0	0		0	187
Amortization of deferred revenue	(1,558)	(1,357)		(2,539)	(2,341)
Balance at end of period	$     217,429	$     222,589		$     217,429	$     222,589