RECENT ACCOUNTING PRONOUNCEMENTS Lease Standard - Effect of Statement of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net earnings	$ 45,316	$ 36,886
Earnings from continuing operations	45,890	37,313
Depreciation expense	377,357	332,768
Amortization expense and other non-cash charges, net	48,522	32,061
Deferred income tax expense	19,729	33,076
Collections on sales-type leases	34,017	21,580
Prepaid expenses and other assets	(27,645)	(46,053)
Accrued expenses and other non-current liabilities	(78,629)	(94,563)
Net cash provided by operating activities from continuing operations	485,330	336,850
Debt repaid	(478,411)	(414,299)
Net cash provided by financing activities from continuing operations	434,288	229,603
Collections on direct finance leases and other items		0
Net cash used in investing activities from continuing operations	$ (923,244)	(572,788)
Accounting Standards Update 2016-02 | As Previously Reported
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net earnings		33,500
Earnings from continuing operations		33,900
Depreciation expense		336,700
Amortization expense and other non-cash charges, net		13,600
Deferred income tax expense		31,900
Collections on sales-type leases		0
Prepaid expenses and other assets		(26,000)
Accrued expenses and other non-current liabilities		(95,900)
Net cash provided by operating activities from continuing operations		314,900
Debt repaid		(412,100)
Net cash provided by financing activities from continuing operations		231,800
Collections on direct finance leases and other items		19,700
Net cash used in investing activities from continuing operations		(553,000)
Accounting Standards Update 2016-02 | New Lease Standard Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net earnings		3,400
Earnings from continuing operations		3,400
Depreciation expense		(3,900)
Amortization expense and other non-cash charges, net		18,500
Deferred income tax expense		1,200
Collections on sales-type leases		21,600
Prepaid expenses and other assets		(20,100)
Accrued expenses and other non-current liabilities		1,300
Net cash provided by operating activities from continuing operations		22,000
Debt repaid		(2,200)
Net cash provided by financing activities from continuing operations		(2,200)
Collections on direct finance leases and other items		(19,700)
Net cash used in investing activities from continuing operations		$ (19,700)