THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Adoption of ASU 2020-06 (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Mar. 31, 2021	Jan. 01, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Statement of operations impacts
Interest expense	$ 32,219	$ 34,751	$ 64,057	$ 66,645
Income tax (provision) benefit	(37,320)	(36,856)	(19,573)	11,346
Net earnings from continuing operations	$ 140,020	$ 141,397	$ 313,868	$ 298,931
Net earnings per share from continuing operations:
Basic (USD per share)	$ 0.52	$ 0.61	$ 1.17	$ 1.30
Diluted (USD per share)	$ 0.46	$ 0.54	$ 1.04	$ 1.15
Weighted average dilutive shares outstanding (shares)	311,087	207,840	310,856	206,142
Balance sheet impacts at December 31, 2020:
Non-current deferred tax asset	$ 314,029		$ 314,029			$ 293,487	$ 293,487
Long-term debt, net	3,845,555		3,845,555			3,840,930	3,840,930
Additional paid-in capital						7,089,007
Retained deficit	(8,107,092)		(8,107,092)			(8,422,237)	(8,422,237)
Adjustment from adoption of ASU	(135,088)	$ (1,961,670)	(135,088)	$ (1,961,670)	$ (1,212,907)		(1,413,375)	$ 3,192,516	$ 3,627,800
Additional Paid-in Capital
Balance sheet impacts at December 31, 2020:
Adjustment from adoption of ASU	8,068,659	6,874,542	8,068,659	6,874,542	7,135,823		7,089,007	11,106,503	11,378,160
Retained Deficit
Balance sheet impacts at December 31, 2020:
Adjustment from adoption of ASU	$ (8,107,092)	(8,712,479)	$ (8,107,092)	(8,712,479)	$ (8,247,987)		(8,422,237)	$ 1,522,216	1,725,046
Accounting Standards Update 2020-06 | Cumulative Effect, Period of Adoption, Adjustment | Additional Paid-in Capital
Balance sheet impacts at December 31, 2020:
Adjustment from adoption of ASU									305,600
Accounting Standards Update 2020-06 | Cumulative Effect, Period of Adoption, Adjustment | Retained Deficit
Balance sheet impacts at December 31, 2020:
Adjustment from adoption of ASU									$ 35,100
Previously Reported
Statement of operations impacts
Interest expense		45,647		88,296
Income tax (provision) benefit		(34,436)		16,311
Net earnings from continuing operations		$ 132,921		$ 282,245
Net earnings per share from continuing operations:
Basic (USD per share)		$ 0.56		$ 1.21
Diluted (USD per share)		$ 0.51		$ 1.10
Weighted average dilutive shares outstanding (shares)		194,988		193,032
Balance sheet impacts at December 31, 2020:
Non-current deferred tax asset							224,013
Long-term debt, net							3,534,706
Additional paid-in capital							7,394,646
Retained deficit							$ (8,491,126)
Revision of Prior Period, Accounting Standards Update, Adjustment | Accounting Standards Update 2020-06
Statement of operations impacts
Interest expense		$ (10,896)		$ (21,651)
Income tax (provision) benefit		(2,420)		(4,965)
Net earnings from continuing operations		$ 8,476		$ 16,686
Net earnings per share from continuing operations:
Basic (USD per share)		$ 0.05		$ 0.09
Diluted (USD per share)		$ 0.03		$ 0.05
Weighted average dilutive shares outstanding (shares)		12,852		13,110
Balance sheet impacts at December 31, 2020:
Non-current deferred tax asset						69,474
Long-term debt, net						306,224
Additional paid-in capital						(305,639)
Retained deficit						$ 68,889