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CONDENSED CONSOLIDATED BALANCE SHEETS (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | --- | --- | ---
Condensed Financial Information [Line Items] |  |  |  |
Cash and cash equivalents | $ 142,760 | $ 117,953 | $ 94,083 | $ 110,131
Trade accounts receivable, net | 1,265,880 | 1,170,080 |  |
Inventories, net | 926,768 | 956,148 |  |
Prepaid Expense and Other Assets, Current | 90,415 | 63,439 |  |
Total current assets | 2,506,499 | 2,408,849 |  |
Property, buildings and equipment, net | 157,129 | 156,445 |  |
Intangible assets, net | 334,026 | 367,104 |  |
Goodwill and other intangibles, net | 1,755,292 | 1,771,877 |  |
Other assets | 25,845 | 31,193 |  |
Total assets | 4,778,791 | 4,735,468 |  |
Accounts payable | 813,395 | 799,520 |  |
Short-term debt | 31,125 | 34,075 |  |
Total current liabilities | 1,051,528 | 1,040,969 |  |
Long-term Debt, Excluding Current Maturities | 1,229,314 | 1,313,261 |  |
Total stockholders' equity | 2,237,353 | 2,119,739 |  |
Stockholders' Equity Attributable to Noncontrolling Interest | 5,516 | 3,596 |  |
Total liabilities and stockholders' equity | 4,778,791 | 4,735,468 |  |
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 | 4,943 | 4,730 |  |
Total current assets | 4,943 | 4,730 |  |
Intercompany receivables, net | 0 | 0 |  |
Property, buildings and equipment, net | 0 | 0 |  |
Intangible assets, net | 0 | 0 |  |
Goodwill and other intangibles, net | 0 | 0 |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | 3,188,872 | 3,058,613 |  |
Other assets | 0 | 0 |  |
Total assets | 3,193,815 | 3,063,343 |  |
Accounts payable | 0 | 0 |  |
Short-term debt | 0 | 0 |  |
Other Liabilities, Current | 0 | 0 |  |
Total current liabilities | 0 | 0 |  |
Intercompany payables, net | 952,642 | 939,784 |  |
Long-term Debt, Excluding Current Maturities | 0 | 0 |  |
Liabilities, Other than Long-term Debt, Noncurrent | 3,820 | 3,820 |  |
Total stockholders' equity | 2,237,353 | 2,119,739 |  |
Stockholders' Equity Attributable to Noncontrolling Interest | 0 | 0 |  |
Total liabilities and stockholders' equity | 3,193,815 | 3,063,343 |  |
Guarantor Subsidiaries [Member] |  |  |  |
Condensed Financial Information [Line Items] |  |  |  |
Cash and cash equivalents | 57,052 | 50,602 | 45,775 | 41,552
Trade accounts receivable, net | 0 | 0 |  |
Inventories, net | 411,252 | 430,092 |  |
Prepaid Expense and Other Assets, Current | 42,568 | 42,547 |  |
Total current assets | 510,872 | 523,241 |  |
Intercompany receivables, net | 0 | 0 |  |
Property, buildings and equipment, net | 56,351 | 50,198 |  |
Intangible assets, net | 2,291 | 2,770 |  |
Goodwill and other intangibles, net | 257,623 | 257,623 |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | 5,144,891 | 5,023,826 |  |
Other assets | 2,780 | 2,778 |  |
Total assets | 5,974,808 | 5,860,436 |  |
Accounts payable | 412,989 | 417,690 |  |
Short-term debt | 0 | 0 |  |
Other Liabilities, Current | 72,762 | 80,039 |  |
Total current liabilities | 485,751 | 497,729 |  |
Intercompany payables, net | 1,317,942 | 1,249,352 |  |
Long-term Debt, Excluding Current Maturities | 864,779 | 934,033 |  |
Liabilities, Other than Long-term Debt, Noncurrent | 117,464 | 120,709 |  |
Total stockholders' equity | 3,188,872 | 3,058,613 |  |
Stockholders' Equity Attributable to Noncontrolling Interest | 0 | 0 |  |
Total liabilities and stockholders' equity | 5,974,808 | 5,860,436 |  |
Non-Guarantor Subsidiaries [Member] |  |  |  |
Condensed Financial Information [Line Items] |  |  |  |
Cash and cash equivalents | 85,708 | 67,351 | 48,308 | 68,579
Trade accounts receivable, net | 1,265,880 | 1,170,080 |  |
Inventories, net | 515,516 | 526,056 |  |
Prepaid Expense and Other Assets, Current | 132,620 | 152,531 |  |
Total current assets | 1,999,724 | 1,916,018 |  |
Intercompany receivables, net | 2,270,584 | 2,189,136 |  |
Property, buildings and equipment, net | 100,778 | 106,247 |  |
Intangible assets, net | 331,735 | 364,334 |  |
Goodwill and other intangibles, net | 1,497,669 | 1,514,254 |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | 0 | 0 |  |
Other assets | 23,065 | 28,415 |  |
Total assets | 6,223,555 | 6,118,404 |  |
Accounts payable | 400,406 | 381,830 |  |
Short-term debt | 31,125 | 34,075 |  |
Other Liabilities, Current | 143,286 | 162,475 |  |
Total current liabilities | 574,817 | 578,380 |  |
Intercompany payables, net | 0 | 0 |  |
Long-term Debt, Excluding Current Maturities | 364,535 | 379,228 |  |
Liabilities, Other than Long-term Debt, Noncurrent | 144,828 | 140,566 |  |
Total stockholders' equity | 5,144,891 | 5,023,826 |  |
Stockholders' Equity Attributable to Noncontrolling Interest | 5,516 | 3,596 |  |
Total liabilities and stockholders' equity | 6,223,555 | 6,118,404 |  |
Consolidated Entities [Member] |  |  |  |
Condensed Financial Information [Line Items] |  |  |  |
Cash and cash equivalents | 142,760 | 117,953 | 94,083 | 110,131
Trade accounts receivable, net | 1,265,880 | 1,170,080 |  |
Inventories, net | 926,768 | 956,148 |  |
Prepaid Expense and Other Assets, Current | 171,091 | 164,668 |  |
Total current assets | 2,506,499 | 2,408,849 |  |
Intercompany receivables, net | 0 | 0 |  |
Property, buildings and equipment, net | 157,129 | 156,445 |  |
Intangible assets, net | 334,026 | 367,104 |  |
Goodwill and other intangibles, net | 1,755,292 | 1,771,877 |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | 0 | 0 |  |
Other assets | 25,845 | 31,193 |  |
Total assets | 4,778,791 | 4,735,468 |  |
Accounts payable | 813,395 | 799,520 |  |
Short-term debt | 31,125 | 34,075 |  |
Other Liabilities, Current | 207,008 | 207,374 |  |
Total current liabilities | 1,051,528 | 1,040,969 |  |
Intercompany payables, net | 0 | 0 |  |
Long-term Debt, Excluding Current Maturities | 1,229,314 | 1,313,261 |  |
Liabilities, Other than Long-term Debt, Noncurrent | 266,112 | 265,095 |  |
Total stockholders' equity | 2,237,353 | 2,119,739 |  |
Stockholders' Equity Attributable to Noncontrolling Interest | 5,516 | 3,596 |  |
Total liabilities and stockholders' equity | 4,778,791 | 4,735,468 |  |
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 | (9,040) | (35,140) |  |
Total current assets | (9,040) | (35,140) |  |
Intercompany receivables, net | (2,270,584) | (2,189,136) |  |
Property, buildings and equipment, net | 0 | 0 |  |
Intangible assets, net | 0 | 0 |  |
Goodwill and other intangibles, net | 0 | 0 |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | (8,333,763) | (8,082,439) |  |
Other assets | 0 | 0 |  |
Total assets | (10,613,387) | (10,306,715) |  |
Accounts payable | 0 | 0 |  |
Short-term debt | 0 | 0 |  |
Other Liabilities, Current | (9,040) | (35,140) |  |
Total current liabilities | (9,040) | (35,140) |  |
Intercompany payables, net | (2,270,584) | (2,189,136) |  |
Long-term Debt, Excluding Current Maturities | 0 | 0 |  |
Liabilities, Other than Long-term Debt, Noncurrent | 0 | 0 |  |
Total stockholders' equity | (8,333,763) | (8,082,439) |  |
Stockholders' Equity Attributable to Noncontrolling Interest | 0 | 0 |  |
Total liabilities and stockholders' equity | $ (10,613,387) | $ (10,306,715) |  |

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