OTHER FINANCIAL INFORMATION - CONDENSED CONSOLIDATED INCOME STATEMENT (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Condensed Financial Information
Revenues	$ 2,099,452	$ 2,148,110	$ 2,150,088	$ 1,961,267	$ 2,011,447	$ 2,067,245	$ 2,103,994	$ 1,993,915	$ 8,358,917	$ 8,176,601	$ 7,679,021
Cost of goods sold	1,709,658	1,747,913	1,741,114	1,578,771	1,621,117	1,670,037	1,704,100	1,613,966	6,777,456	6,609,220	6,194,366
Selling, General and Administrative Expense									(1,173,137)	(1,151,944)	(1,101,598)
Depreciation, Depletion and Amortization, Nonproduction									(62,107)	(62,997)	(64,017)
Income tax expense									59,863	55,670	89,307
Net income	52,694	64,339	63,215	41,950	58,066	66,645	57,673	42,971	222,198	225,355	163,133
Net Income (Loss) Attributable to Noncontrolling Interest									(1,228)	(1,988)	(327)
Net Income	$ 53,098	$ 64,495	$ 63,464	$ 42,369	$ 58,133	$ 66,849	$ 57,940	$ 44,421	223,426	227,343	163,460
Foreign currency translation adjustment									49,306	(99,643)	85,762
Benefit plan adjustments									(8,643)	3,798	(6,381)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									264,089	131,498	242,841
Parent Company
Condensed Financial Information
Revenues									0	0	0
Cost of goods sold									0	0	0
Selling, General and Administrative Expense									0	0	0
Depreciation, Depletion and Amortization, Nonproduction									0	0	0
Income (Loss) from Subsidiaries, before Tax									222,198	225,355	160,587
Interest Income (Expense), Net											0
Other Nonoperating Income (Expense)									0	0
Income tax expense									0	0	(2,546)
Net income									222,198	225,355	163,133
Net Income (Loss) Attributable to Noncontrolling Interest									0	0	0
Net Income									222,198	225,355	163,133
Foreign currency translation adjustment									49,306	(99,643)	85,762
Benefit plan adjustments									(8,643)	3,798	(6,381)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									262,861	129,510	242,514
Guarantor Subsidiaries
Condensed Financial Information
Revenues									3,642,413	3,572,406	3,370,088
Cost of goods sold									2,954,246	2,890,490	2,714,511
Selling, General and Administrative Expense									(593,025)	(590,009)	(555,503)
Depreciation, Depletion and Amortization, Nonproduction									(19,155)	(18,334)	(18,442)
Income (Loss) from Subsidiaries, before Tax									201,247	209,802	168,782
Interest Income (Expense), Net											(94,313)
Other Nonoperating Income (Expense)									(49,392)	(54,178)
Income tax expense									5,644	3,842	(4,486)
Net income									222,198	225,355	160,587
Net Income (Loss) Attributable to Noncontrolling Interest									0	0	0
Net Income									222,198	225,355	160,587
Foreign currency translation adjustment									49,306	(99,643)	85,762
Benefit plan adjustments									(8,643)	3,798	(6,381)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									262,861	129,510	239,968
Non-Guarantor Subsidiaries
Condensed Financial Information
Revenues									4,899,987	4,757,321	4,441,655
Cost of goods sold									4,006,693	3,871,856	3,612,577
Selling, General and Administrative Expense									(580,112)	(561,935)	(546,095)
Depreciation, Depletion and Amortization, Nonproduction									(42,952)	(44,663)	(45,575)
Income (Loss) from Subsidiaries, before Tax									0	0	0
Interest Income (Expense), Net											27,713
Other Nonoperating Income (Expense)									(14,764)	(17,237)
Income tax expense									54,219	51,828	96,339
Net income									201,247	209,802	168,782
Net Income (Loss) Attributable to Noncontrolling Interest									(1,228)	(1,988)	(327)
Net Income									202,475	211,790	169,109
Foreign currency translation adjustment									49,306	(99,643)	85,762
Benefit plan adjustments									(8,643)	3,798	(6,381)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									243,138	115,945	248,490
Consolidated Entities [Member]
Condensed Financial Information
Revenues									8,358,917	8,176,601	7,679,021
Cost of goods sold									6,777,456	6,609,220	6,194,366
Selling, General and Administrative Expense									(1,173,137)	(1,151,944)	(1,101,598)
Depreciation, Depletion and Amortization, Nonproduction									(62,107)	(62,997)	(64,017)
Income (Loss) from Subsidiaries, before Tax									0	0	0
Interest Income (Expense), Net											(66,600)
Other Nonoperating Income (Expense)									(64,156)	(71,415)
Income tax expense									59,863	55,670	89,307
Net income									222,198	225,355	163,133
Net Income (Loss) Attributable to Noncontrolling Interest									(1,228)	(1,988)	(327)
Net Income									223,426	227,343	163,460
Foreign currency translation adjustment									49,306	(99,643)	85,762
Benefit plan adjustments									(8,643)	3,798	(6,381)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									264,089	131,498	242,841
Consolidation, Eliminations [Member]
Condensed Financial Information
Revenues									(183,483)	(153,126)	(132,722)
Cost of goods sold									(183,483)	(153,126)	(132,722)
Selling, General and Administrative Expense									0	0	0
Depreciation, Depletion and Amortization, Nonproduction									0	0	0
Income (Loss) from Subsidiaries, before Tax									(423,445)	(435,157)	(329,369)
Interest Income (Expense), Net											0
Other Nonoperating Income (Expense)									0	0
Income tax expense									0	0	0
Net income									(423,445)	(435,157)	(329,369)
Net Income (Loss) Attributable to Noncontrolling Interest									0	0	0
Net Income									(423,445)	(435,157)	(329,369)
Foreign currency translation adjustment									(98,612)	199,286	(171,524)
Benefit plan adjustments									17,286	(7,596)	12,762
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									(504,771)	(243,467)	(488,131)
Pension Plan [Member]
Condensed Financial Information
Other Nonoperating Gains (Losses)									$ (1,400)	$ (1,900)	$ (1,800)