INCOME TAXES (Details 2) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended		12 Months Ended
	Jan. 31, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Reconciliation of the beginning and ending amount of unrecognized tax benefits
Balance, beginning of period				$ 137,593
Additions for tax positions of the current year				8,217
Additions for tax positions of prior years				1,602
Reductions of tax positions of prior years:
Changes in judgment				(1,028)
Settlements during the period				(90,872)
Balance, end of period	$ 137,593	$ 55,512		$ 55,512	$ 55,512
Possible reduction in unrecognized tax benefits due to expected closure of Appeals process					41,700
Effective tax rate (as a percent)		30.80%		32.50%
Increase in income tax expense from revisions creating permanent tax differences				$ 4,100
Predecessor
Reconciliation of the beginning and ending amount of unrecognized tax benefits
Balance, beginning of period	193,244			$ 137,593	$ 193,244	$ 105,881	$ 105,881
Additions for tax positions of the current year	(5,010)						57,463
Additions for tax positions of prior years	7,724						39,433
Reductions of tax positions of prior years:
Changes in judgment	(58,365)						(9,533)
Balance, end of period	$ 137,593						193,244
Effective tax rate (as a percent)	(27.70%)		35.70%			34.30%
Increase in income tax expense from revisions creating permanent tax differences	$ 200						$ 3,300