ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Accumulated Other Comprehensive Loss Income [Line Items]
Accumulated other comprehensive loss		$ (293,739)				$ (247,186)				$ (293,739)	$ (247,186)	$ (329,037)
Other comprehensive income (loss) before reclassification										(54,372)	71,563
Amounts reclassified from AOCI										7,819	10,288
Net current-period other comprehensive income (loss)										(46,553)	81,851
Net sales		743,827	$ 737,099	$ 790,052	$ 757,696	747,185	$ 669,491	$ 626,858	$ 580,897	3,028,674	2,624,431	2,274,614
Income taxes										81,667	118,761	79,015
Cost of goods sold										2,000,153	1,749,324	1,488,055
Selling, general & administrative expenses										627,697	541,225	468,597
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Loss Income [Line Items]
Accumulated other comprehensive loss		1,694				875				1,694	875	587
Other comprehensive income (loss) before reclassification										624	(2,074)
Amounts reclassified from AOCI	[1]									195	2,362
Net current-period other comprehensive income (loss)										819	288
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Loss Income [Line Items]
Accumulated other comprehensive loss		(82,049)				(85,277)				(82,049)	(85,277)	(95,939)
Other comprehensive income (loss) before reclassification	[2]									(4,396)	2,736
Amounts reclassified from AOCI	[2]									7,624	7,926
Net current-period other comprehensive income (loss)										3,228	10,662
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Loss Income [Line Items]
Accumulated other comprehensive loss		$ (213,384)				$ (162,784)				(213,384)	(162,784)	$ (233,685)
Other comprehensive income (loss) before reclassification	[3]									(50,600)	70,901
Amounts reclassified from AOCI										0	0
Net current-period other comprehensive income (loss)										(50,600)	70,901
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Loss Income [Line Items]
Income taxes										1,691	19,252
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Loss Income [Line Items]
Other Comprehensive (Income) Loss, Net of Tax, Portion Attributable to Noncontrolling Interest										(93)	115
Reclassification out of Accumulated Other Comprehensive Income [Member] | Sales | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Loss Income [Line Items]
Net sales										(152)	1,860
Income taxes										(73)	693
Reclassification out of Accumulated Other Comprehensive Income [Member] | Cost of goods sold | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Loss Income [Line Items]
Income taxes										(40)	93
Cost of goods sold										$ 43	$ 502

[1] During 2018, this AOCI reclassification is a component of Net sales of $(152) (net of tax of $(73) and Cost of goods sold of $43 (net of tax of $(40)); during 2017, the reclassification is a component of Net sales of $1,860 (net of tax of $693) and Cost of goods sold of $502 (net of tax of $93). Refer to Note 15 to the consolidated financial statements for additional details

[2] This AOCI component is included in the computation of net periodic pension costs (net of tax of $1,691 and $19,252 during the years ended December 31, 2018 and 2017, respectively). Refer to Note 12 to the consolidated financial statements for additional details

[3] The Other comprehensive income before reclassifications excludes $(93) and $115 attributable to Non-controlling interests in the years ended December 31, 2018 and 2017, respectively. The reclassified AOCI component is included in the computation of Non-controlling interests. Refer to the Consolidated Statements of Equity for additional details.