STOCK-BASED COMPENSATION - SCHEDULE OF CHANGES IN OUTSTANDING STOCK OPTIONS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2017	Sep. 29, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Weighted Average Remaining Contractual Term (In Years)
Balance at end of period			7 years 1 month 6 days
Options exercisable			4 years 8 months 12 days
Aggregate Intrinsic Value
Balance at end of period	$ 346,595		$ 346,595
Options exercisable	$ 148,729		$ 148,729
Stock Appreciation Rights (SARs)
Shares
Balance at beginning of period (shares)	11,781	13,830	13,830
Granted (shares)		4,720	4,700	2,100	2,400
Exercised (shares)		(6,659)
Forfeited (shares)		(110)
Converted (shares)	43,780
Balance at end of period (shares)				13,830
Weighted Average Exercise Price
Balance at beginning of period (USD per share)	$ 9.69	$ 3.97	$ 3.97
Granted (USD per share)		16.83
Exercised (USD per share)		2.87
Forfeited (USD per share)		$ 9.86
Converted (USD per share)	$ 2.61
Balance at end of period (USD per share)				$ 3.97
Stock Options
Shares
Granted (shares)	948		900
Exercised (shares)	(1,948)
Forfeited (shares)	(331)
Converted (shares)	5,290
Expired (shares)	(624)
Balance at end of period (shares)	47,115		47,115
Options exercisable (shares)	17,358		17,358
Weighted Average Exercise Price
Granted (USD per share)	$ 11.32
Exercised (USD per share)	7.40
Forfeited (USD per share)	6.86
Expired (USD per share)	17.94
Converted (USD per share)	10.56
Balance at end of period (USD per share)	3.25		$ 3.25
Options exercisable (USD per share)	$ 2.22		$ 2.22