CONSOLIDATED STATEMENTS OF EARNINGS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Statement [Abstract]
Revenue	$ 6,956,311	$ 7,752,728	$ 7,155,096
Cost of goods and services	4,388,167	4,778,479	4,376,505
Gross profit	2,568,144	2,974,249	2,778,591
Selling and administrative expenses	1,647,382	1,758,765	1,616,921
Operating earnings	920,762	1,215,484	1,161,670
Interest expense, net	127,257	127,179	120,654
Other (income) expense, net	(7,105)	(5,902)	(4,970)
Earnings before provision for income taxes and discontinued operations	800,610	1,094,207	1,045,986
Provision for income taxes	204,729	316,067	248,459
Earnings from continuing operations	595,881	778,140	797,527
Earnings (loss) from discontinued operations, net	273,948	(2,905)	205,602
Net earnings	$ 869,829	$ 775,235	$ 1,003,129
Earnings per share from continuing operations [Abstract]
Earnings from continuing operations (in dollars per basic share)	$ 3.78	$ 4.67	$ 4.66
Earnings from continuing operations (in dollars per diluted share)	3.74	4.61	4.60
Earnings per share from discontinued operations [Abstract]
Earnings (loss) from discontinued operations, net (in dollars per basic share)	1.74	(0.02)	1.20
Earnings (loss) from discontinued operations, net (in dollars per diluted share)	1.72	(0.02)	1.18
Net earnings per share [Abstract]
Net earnings (in dollars per basic share)	5.52	4.65	5.86
Net earnings (in dollars per diluted share)	$ 5.46	$ 4.59	$ 5.78
Weighted average shares outstanding - basic (in shares)	157,619,000	166,692,000	171,271,000
Weighted average shares outstanding - diluted (in shares)	159,172,000	168,842,000	173,547,000
Dividends paid per common share (in dollars per share)	$ 1.64	$ 1.55	$ 1.45