RECEIVABLES - Summary of Activity in Allowance for Doubtful Accounts (Detail) - USD ($) $ in Thousands	7 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	May 31, 2015
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance at beginning of period	$ 2,775	$ 7,835	$ 3,548	$ 4,784
Provision for doubtful accounts	1,819	7,097	6,336	233
Write-off of bad debts	(1,046)	(3,624)	(2,049)	(2,242)
Balance at end of period	$ 3,548	$ 11,308	$ 7,835	$ 2,775