ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ (216,840)	$ (291,756)	$ (291,756)
Other comprehensive income (loss) before reclassifications	15,266		67,111
Amounts reclassified from accumulated other comprehensive loss	2,767		7,805
Other comprehensive income, net of tax	18,033	13,175	74,916
Ending balance	(198,807)		(216,840)
Foreign Currency Translation Adjustments, Net [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(94,708)	(172,650)	(172,650)
Other comprehensive income (loss) before reclassifications	15,411		77,942
Amounts reclassified from accumulated other comprehensive loss	0		0
Other comprehensive income, net of tax	15,411		77,942
Ending balance	(79,297)		(94,708)
Total Pension and Postretirment Adjustments, Net [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(122,132)	$ (119,106)	(119,106)
Other comprehensive income (loss) before reclassifications	(145)		(10,831)
Amounts reclassified from accumulated other comprehensive loss	2,767		7,805
Other comprehensive income, net of tax	2,622		(3,026)
Ending balance	$ (119,510)		$ (122,132)