OTHER COMPREHENSIVE LOSS - Components of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Total accumulated other comprehensive loss	$ 9,993,600	$ 2,869,100	$ 2,828,600	$ 2,976,800
Foreign currency translation
Statement of Financial Position [Abstract]
Total accumulated other comprehensive loss	(308,600)	(202,200)	5,100
Derivative contracts
Statement of Financial Position [Abstract]
Total accumulated other comprehensive loss	(3,300)	(100)	4,000
AOCI including portion attributable to noncontrolling interest, tax	0	0
Pension and Post Retirement Benefit Plans
Statement of Financial Position [Abstract]
Total accumulated other comprehensive loss	(70,700)	(54,300)	(54,100)
AOCI including portion attributable to noncontrolling interest, tax	24,700	23,000
Accumulated Other Comprehensive Income (Loss)
Statement of Financial Position [Abstract]
Total accumulated other comprehensive loss	$ (382,600)	$ (256,600)	$ (45,000)	$ (379,600)