CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Revenue	$ 1,499,175	$ 1,810,706	$ 3,155,114	$ 3,535,463
Cost of goods and services	947,577	1,138,113	1,991,273	2,239,328
Gross profit	551,598	672,593	1,163,841	1,296,135
Selling, General and Administrative Expense	366,740	396,634	753,681	805,100
Loss on assets held for sale	0	0	0	46,946
Operating earnings	184,858	275,959	410,160	444,089
Interest Expense	28,711	31,754	55,979	63,562
Interest Income	(728)	(945)	(1,911)	(1,835)
Gain on sale of businesses	781	0	(5,770)	0
Other income, net	(735)	(4,589)	(8,467)	(5,695)
Provision for income taxes	32,063	51,654	69,284	84,267
Net earnings	$ 124,766	$ 198,085	$ 301,045	$ 303,790
Net earnings per share:
Net earnings (in dollars per basic share)	$ 0.87	$ 1.36	$ 2.09	$ 2.09
Net earnings (in dollars per diluted share)	$ 0.86	$ 1.35	$ 2.07	$ 2.07
Weighted average shares outstanding:
Weighted average shares outstanding - basic	143,955,000	145,366,000	144,107,000	145,227,000
Weighted average shares outstanding - diluted	144,995,000	147,179,000	145,359,000	147,041,000
Earnings before provision for income taxes	$ 156,829	$ 249,739	$ 370,329	$ 388,057