Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

CONDENSED CONSOLIDATED BALANCE SHEETS (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017
Condensed Financial Information [Line Items]
Cash and cash equivalents	$ 138,160			$ 96,343	$ 142,760			$ 117,953
Trade accounts receivable, net	1,315,026			1,166,607
Inventories, net	961,997			948,726
Prepaid Expense and Other Assets, Current	80,940			76,980
Total current assets	2,578,480			2,385,640
Property, buildings and equipment, net	174,459			160,878
Operating Lease, Right-of-Use Asset	237,252			0
Intangible assets, net	293,493			316,016
Goodwill and other intangibles, net	1,746,071			1,722,603
Other assets	17,656			19,899
Total assets	5,047,411			4,605,036
Accounts payable	849,584			794,348
Short-term debt	25,561			30,785
Total current liabilities	1,104,524			1,061,946
Long-term Debt, Excluding Current Maturities	1,346,333			1,167,311
Operating Lease, Liability, Noncurrent	182,044			0
Total stockholders' equity	2,193,118			2,135,310
Stockholders' Equity Attributable to Noncontrolling Interest	6,408	$ 6,252	$ 6,003	5,584	5,516	$ 5,313	$ 5,046	3,596
Total liabilities and stockholders' equity	5,047,411			4,605,036
Parent Company [Member]
Condensed Financial Information [Line Items]
Cash and cash equivalents	0			0	0			0
Trade accounts receivable, net	0			0
Inventories, net	0			0
Prepaid Expense and Other Assets, Current	1,123			1,123
Total current assets	1,123			1,123
Intercompany receivables, net	0			0
Property, buildings and equipment, net	0			0
Operating Lease, Right-of-Use Asset	0
Intangible assets, net	0			0
Goodwill and other intangibles, net	0			0
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	3,383,537			3,182,469
Other assets	0			0
Total assets	3,384,660			3,183,592
Accounts payable	0			0
Short-term debt	0			0
Other Liabilities, Current	0			0
Total current liabilities	0			0
Intercompany payables, net	1,191,542			1,048,282
Long-term Debt, Excluding Current Maturities	0			0
Operating Lease, Liability, Noncurrent	0
Liabilities, Other than Long-term Debt, Noncurrent	0			0
Total stockholders' equity	2,193,118			2,135,310
Stockholders' Equity Attributable to Noncontrolling Interest	0			0
Total liabilities and stockholders' equity	3,384,660			3,183,592
Guarantor Subsidiaries [Member]
Condensed Financial Information [Line Items]
Cash and cash equivalents	37,889			35,931	57,052			50,602
Trade accounts receivable, net	0			0
Inventories, net	437,470			440,422
Prepaid Expense and Other Assets, Current	27,376			57,586
Total current assets	502,735			533,939
Intercompany receivables, net	0			0
Property, buildings and equipment, net	76,980			63,506
Operating Lease, Right-of-Use Asset	146,247
Intangible assets, net	1,658			2,131
Goodwill and other intangibles, net	257,623			257,623
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	5,318,786			5,137,783
Other assets	854			2,905
Total assets	6,304,883			5,997,887
Accounts payable	418,502			404,373
Short-term debt	0			0
Other Liabilities, Current	69,505			86,600
Total current liabilities	488,007			490,973
Intercompany payables, net	1,352,436			1,355,422
Long-term Debt, Excluding Current Maturities	856,992			842,093
Operating Lease, Liability, Noncurrent	116,336
Liabilities, Other than Long-term Debt, Noncurrent	107,575			126,930
Total stockholders' equity	3,383,537			3,182,469
Stockholders' Equity Attributable to Noncontrolling Interest	0			0
Total liabilities and stockholders' equity	6,304,883			5,997,887
Non-Guarantor Subsidiaries [Member]
Condensed Financial Information [Line Items]
Cash and cash equivalents	100,271			60,412	85,708			67,351
Trade accounts receivable, net	1,315,026			1,166,607
Inventories, net	524,527			508,304
Prepaid Expense and Other Assets, Current	136,719			124,523
Total current assets	2,076,543			1,859,846
Intercompany receivables, net	2,543,978			2,403,704
Property, buildings and equipment, net	97,479			97,372
Operating Lease, Right-of-Use Asset	91,005
Intangible assets, net	291,835			313,885
Goodwill and other intangibles, net	1,488,448			1,464,980
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	0			0
Other assets	16,802			16,994
Total assets	6,606,090			6,156,781
Accounts payable	431,082			389,975
Short-term debt	25,561			30,785
Other Liabilities, Current	161,795			159,481
Total current liabilities	618,438			580,241
Intercompany payables, net	0			0
Long-term Debt, Excluding Current Maturities	489,341			325,218
Operating Lease, Liability, Noncurrent	65,708
Liabilities, Other than Long-term Debt, Noncurrent	120,225			119,123
Total stockholders' equity	5,318,786			5,137,783
Stockholders' Equity Attributable to Noncontrolling Interest	6,408			5,584
Total liabilities and stockholders' equity	6,606,090			6,156,781
Consolidated Entities [Member]
Condensed Financial Information [Line Items]
Cash and cash equivalents	138,160			96,343	142,760			117,953
Trade accounts receivable, net	1,315,026			1,166,607
Inventories, net	961,997			948,726
Prepaid Expense and Other Assets, Current	163,297			173,964
Total current assets	2,578,480			2,385,640
Intercompany receivables, net	0			0
Property, buildings and equipment, net	174,459			160,878
Operating Lease, Right-of-Use Asset	237,252
Intangible assets, net	293,493			316,016
Goodwill and other intangibles, net	1,746,071			1,722,603
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	0			0
Other assets	17,656			19,899
Total assets	5,047,411			4,605,036
Accounts payable	849,584			794,348
Short-term debt	25,561			30,785
Other Liabilities, Current	229,379			236,813
Total current liabilities	1,104,524			1,061,946
Intercompany payables, net	0			0
Long-term Debt, Excluding Current Maturities	1,346,333			1,167,311
Operating Lease, Liability, Noncurrent	182,044
Liabilities, Other than Long-term Debt, Noncurrent	227,800			246,053
Total stockholders' equity	2,193,118			2,135,310
Stockholders' Equity Attributable to Noncontrolling Interest	6,408			5,584
Total liabilities and stockholders' equity	5,047,411			4,605,036
Consolidation, Eliminations [Member]
Condensed Financial Information [Line Items]
Cash and cash equivalents	0			0	$ 0			$ 0
Trade accounts receivable, net	0			0
Inventories, net	0			0
Prepaid Expense and Other Assets, Current	(1,921)			(9,268)
Total current assets	(1,921)			(9,268)
Intercompany receivables, net	(2,543,978)			(2,403,704)
Property, buildings and equipment, net	0			0
Operating Lease, Right-of-Use Asset	0
Intangible assets, net	0			0
Goodwill and other intangibles, net	0			0
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	(8,702,323)			(8,320,252)
Other assets	0			0
Total assets	(11,248,222)			(10,733,224)
Accounts payable	0			0
Short-term debt	0			0
Other Liabilities, Current	(1,921)			(9,268)
Total current liabilities	(1,921)			(9,268)
Intercompany payables, net	(2,543,978)			(2,403,704)
Long-term Debt, Excluding Current Maturities	0			0
Operating Lease, Liability, Noncurrent	0
Liabilities, Other than Long-term Debt, Noncurrent	0			0
Total stockholders' equity	(8,702,323)			(8,320,252)
Stockholders' Equity Attributable to Noncontrolling Interest	0			0
Total liabilities and stockholders' equity	$ (11,248,222)			$ (10,733,224)