Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(11))
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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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SEGMENT INFORMATION - Summary of Segment Results (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Segment Reporting Information [Line Items]
TOTAL ASSETS	$ 5,904,572		$ 5,904,572		$ 5,804,254
Summarized Information
Net sales to external customers	2,860,212	$ 2,615,269	5,626,613	$ 5,156,398
Total consolidated operating earnings	343,986	229,080	678,816	521,581
United States [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	2,485,497		2,485,497		2,309,734
Summarized Information
Net sales to external customers	2,062,381	1,900,646	4,059,886	3,759,018
Canada [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	221,965		221,965		278,633
Summarized Information
Net sales to external customers	176,853	189,123	358,600	375,251
Other Businesses [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	656,490		656,490		605,452
Summarized Information
Net sales to external customers	620,978	525,500	1,208,127	1,022,129
Segment Balances Before Intersegment Eliminations and Consolidation Reconciling Items [Member]
Segment Reporting Information [Line Items]
TOTAL ASSETS	3,363,952		3,363,952		$ 3,193,819
Summarized Information
Net sales to external customers	2,974,127	2,714,826	5,851,670	5,351,818
Total consolidated operating earnings	376,945	267,511	749,714	591,931
Segment Balances Before Intersegment Eliminations and Consolidation Reconciling Items [Member] \| United States [Member]
Summarized Information
Net sales to external customers	2,175,106	1,999,153	4,282,792	3,952,597
Total consolidated operating earnings	349,713	309,460	706,217	619,102
Segment Balances Before Intersegment Eliminations and Consolidation Reconciling Items [Member] \| Canada [Member]
Summarized Information
Net sales to external customers	176,868	189,113	358,633	375,254
Total consolidated operating earnings	(13,667)	(27,727)	(33,824)	(44,456)
Segment Balances Before Intersegment Eliminations and Consolidation Reconciling Items [Member] \| Other Businesses [Member]
Summarized Information
Net sales to external customers	622,153	526,560	1,210,245	1,023,967
Total consolidated operating earnings	40,899	(14,222)	77,321	17,285
Intersegment Eliminations [Member]
Summarized Information
Net sales to external customers	(113,915)	(99,557)	(225,057)	(195,420)
Intersegment Eliminations [Member] \| United States [Member]
Summarized Information
Net sales to external customers	(112,725)	(98,507)	(222,906)	(193,579)
Intersegment Eliminations [Member] \| Canada [Member]
Summarized Information
Net sales to external customers	(15)	10	(33)	(3)
Intersegment Eliminations [Member] \| Other Businesses [Member]
Summarized Information
Net sales to external customers	$ (1,175)	$ (1,060)	$ (2,118)	$ (1,838)