CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Revenues	$ 1,724,757	$ 1,637,671
Cost of goods and services	1,101,215	1,034,842
Gross profit	623,542	602,829
Selling, General and Administrative Expense	408,466	435,026
Loss on assets held for sale	(46,946)	0
Operating earnings	168,130	167,803
Interest Expense	31,808	35,640
Interest Income	(890)	(2,058)
Other (income) expense, net	(1,106)	(30)
Earnings before provision for income taxes	138,318	134,251
Provision for income taxes	32,613	24,841
Earnings from continuing operations	105,705	109,410
Earnings (loss) from discontinued operations	0	22,025
Net earnings	$ 105,705	$ 131,435
Earnings per share from continuing operations
Earnings from continuing operations (in dollars per basic share)	$ 0.73	$ 0.71
Earnings from continuing operations (in dollars per diluted share)	0.72	0.70
Earnings (loss) per share from discontinued operations:
Earnings (loss) per share from discontinued operations (in dollars per basic share)	0	0.14
Earnings (loss) per share from discontinued operations (in dollars per diluted share)	0	0.14
Net earnings per share:
Net earnings (in dollars per basic share)	0.73	0.85
Net earnings (in dollars per diluted share)	$ 0.72	$ 0.84
Weighted average shares outstanding:
Weighted average shares outstanding - basic	145,087,000	154,520,000
Weighted average shares outstanding - diluted	146,911,000	157,090,000