COMPREHENSIVE (LOSS) INCOME (Reclassification Adjustment from AOCI) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013		Jun. 30, 2014	Jun. 30, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest (expense)	$ (5,382)	$ (4,965)	[1]	$ (10,524)	$ (9,765)	[1]
Tax (expense) or benefit	(2,361)	947	[1]	(4,130)	2,820	[1]
Net income (loss)	4,825	1,520	[1]	7,031	(4,508)	[1]
Reclassification out of Accumulated Other Comprehensive Income | Gains and Losses on Cash Flow Hedges
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Tax (expense) or benefit	191			385
Net income (loss)	(253)			(510)
Reclassification out of Accumulated Other Comprehensive Income | Gains and Losses on Cash Flow Hedges | Interest Rate Swap [member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest (expense)	$ (444)			$ (895)

[1] See Note 1 of these condensed consolidated financial statements for discussion of the impact of the change in accounting for the medical device excise tax.