INCOME TAXES - Income Tax Rate Reconciliation (Detail) - USD ($) $ in Thousands	7 Months Ended		12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2016	Dec. 31, 2015	May 31, 2015	May 31, 2014
Income Tax Disclosure [Abstract]
Pre-tax income (loss) from continuing operations	$ 13,451	$ 37,554	$ (15,658)	$ 39,190	$ 63,290	$ 46,385
Computed income taxes at statutory rate	4,710		(5,481)		22,153	16,235
State income taxes, net of federal benefit	258		(713)		1,670	1,505
Foreign tax rate differential	(648)		(707)		(1,318)	(1,004)
Production activity deduction	(10)		0		(136)	(174)
Deferred taxes on investment in foreign subsidiaries	(335)		1,777		819	(1,133)
Non-deductible expenses	335		871		513	510
Foreign tax credits	(19)		(2,302)		(11)	(1,942)
Other tax credits	(446)		(1,033)		(223)	(244)
Dividend from foreign subsidiaries	0		2,021		0	2,062
Valuation allowance	771		1,986		(394)	414
Other	(43)		488		(280)	7
Total provision (benefit) for income tax on continuing operations	$ 4,573	$ 13,622	$ (3,093)	$ 13,744	$ 22,793	$ 16,236