ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			$ (291,756)	$ (225,928)	$ (225,928)
Other comprehensive income (loss) before reclassifications			68,625		(72,732)
Amounts reclassified from accumulated other comprehensive loss			5,643		6,904
Other comprehensive income (loss), net of tax	$ 26,673	$ (10,732)	74,268	(22,141)	(65,828)
Ending balance	(217,488)		(217,488)		(291,756)
Foreign Currency Translation Adjustments, Net [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			(172,650)	(107,810)	(107,810)
Other comprehensive income (loss) before reclassifications			69,294		(64,840)
Amounts reclassified from accumulated other comprehensive loss			0		0
Other comprehensive income (loss), net of tax			69,294		(64,840)
Ending balance	(103,356)		(103,356)		(172,650)
Total Pension and Postretirment Adjustments, Net [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			(119,106)	$ (118,118)	(118,118)
Other comprehensive income (loss) before reclassifications			(669)		(7,892)
Amounts reclassified from accumulated other comprehensive loss			5,643		6,904
Other comprehensive income (loss), net of tax			4,974		(988)
Ending balance	$ (114,132)		$ (114,132)		$ (119,106)