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INCOME TAXES (Provision) (Details) - USD ($) $ in Thousands	2 Months Ended		3 Months Ended								10 Months Ended		12 Months Ended
	Feb. 28, 2018	Feb. 28, 2017	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Current provision (benefit):
Federal													$ 9,750	$ (1,969)	$ (604)
State													3,264	3,701	(335)
Foreign													2,238	331	1,052
Current tax provision													15,252	2,063	113
Deferred provision (benefit):
Federal													1,157	(9,312)	8,161
State													737	(867)	1,354
Foreign													(22)	(34)	7
Deferred tax provision (benefit)													1,872	(10,213)	9,522
Total provision (benefit) for income taxes			$ 5,371	$ 13,215	$ (499)	$ (963)	$ (20,548)	$ 9,280	$ 8,358	$ (5,240)			17,124	(8,150)	$ 9,635
Impact of Tax Reform Act
Reduction of deferred tax liabilities due to Tax Reform Act													$ 3,772	$ 24,542
Statutory federal rate (as a percent)	32.74%	35.00%									21.00%	32.74%	21.00%	35.00%	35.00%
Reduction in current income tax expense due to Tax Reform Act reflecting use of fiscal year rather than calendar year federal income tax filing													$ (100)	$ (1,300)

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