ACCUMULATED OTHER COMPREHENSIVE INCOME - Related Tax Effects of AOCI (Detail) - USD ($) $ in Thousands	7 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2016	May 31, 2015	May 31, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Gross Amount	$ (7,127)	$ (13,886)	$ (12,585)	$ (2,388)
Tax Effect	2,291	3,260	1,655	1,498
Other comprehensive income (loss) net of tax	(4,836)	(10,626)	(10,930)	(890)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Gross Amount	(7,228)	(3,849)	(15,822)	(1,613)
Tax Effect	2,330	1,351	2,559	1,213
Other comprehensive income (loss) net of tax	(4,898)	(2,498)	(13,263)	(400)
Foreign Currency Hedge
Accumulated Other Comprehensive Income (Loss) [Line Items]
Gross Amount	101	481	3,237	(775)
Tax Effect	(39)	(181)	(904)	285
Other comprehensive income (loss) net of tax	62	300	$ 2,333	$ (490)
Defined benefit pension plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Gross Amount	0	(10,518)
Tax Effect	0	2,090
Other comprehensive income (loss) net of tax	$ 0	$ (8,428)