BUSINESS SEGMENT INFORMATION - Reconciliation of Segment Operating Income to Income (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Segment Reporting [Abstract]
Income from operations	$ (15,307)	$ (29,432)	$ (13,716)	$ (51,021)
Loss on extinguishment of debt	(5,385)	(13)	(5,385)	(12,648)
Interest expense	(26,831)	(21,251)	(76,870)	(63,835)
Interest income	1,555	2,468	6,262	4,351
Gain (loss) on foreign exchange	1,679	(1,742)	2,474	(5,883)
Other income	356	118	1,082	697
Loss before income taxes	$ (43,933)	$ (49,852)	$ (86,153)	$ (128,339)