OTHER INFORMATION - Components of Accumulated Other Comprehensive Loss, Net of Tax (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total accumulated other comprehensive loss	$ (10,885,475)	$ (10,606,681)	$ (9,665,208)	$ (8,696,635)
Cumulative currency translation adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total accumulated other comprehensive loss	(319,696)	(389,367)
Cumulative unrealized gain on securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total accumulated other comprehensive loss	1,428	1,946
Cumulative other adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total accumulated other comprehensive loss	(37,608)	(26,986)
Total accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total accumulated other comprehensive loss	$ (355,876)	$ (414,407)	$ (308,590)	$ (196,073)