CONSOLIDATED STATEMENTS OF EARNINGS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Statement [Abstract]
Revenue	$ 8,104,339	$ 7,369,154	$ 6,109,507
Cost of goods and services	4,997,274	4,524,351	3,686,861
Gross profit	3,107,065	2,844,803	2,422,646
Selling and administrative expenses	1,841,688	1,720,954	1,499,597
Operating earnings	1,265,377	1,123,849	923,049
Interest expense, net	121,141	115,525	106,371
Other expense, net	6,665	(1,938)	3,556
Earnings before provision for income taxes and discontinued operations	1,137,571	1,010,262	813,122
Provision for income taxes	304,452	237,076	193,625
Earnings from continuing operations	833,119	773,186	619,497
(Loss) earnings from discontinued operations, net	(22,049)	122,057	80,607
Net earnings	$ 811,070	$ 895,243	$ 700,104
Earnings per share from continuing operations [Abstract]
Earnings from continuing operations (in dollars per basic share)	$ 4.59	$ 4.16	$ 3.31
Earnings from continuing operations (in dollars per diluted share)	$ 4.53	$ 4.09	$ 3.27
Earnings per share from discontinued operations: [Abstract]
Earnings (loss) from discontinued operations, net (in dollars per basic share)	$ (0.12)	$ 0.66	$ 0.43
Earnings (loss) from discontinued operations, net (in dollars per diluted share)	$ (0.12)	$ 0.65	$ 0.43
Net earnings per share: [Abstract]
Net earnings (in dollars per basic share)	$ 4.47	$ 4.82	$ 3.75
Net earnings (in dollars per diluted share)	$ 4.41	$ 4.74	$ 3.70
Dividends paid per common share (in dollars per share)	$ 1.33	$ 1.18	$ 1.07