CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS (unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Income Statement [Abstract]
Revenue	$ 2,228,763	$ 2,038,289	$ 4,268,336	$ 3,992,903
Cost of goods and services	1,372,811	1,261,187	2,635,762	2,469,721
Gross profit	855,952	777,102	1,632,574	1,523,182
Selling and administrative expenses	505,628	466,089	990,049	920,078
Operating earnings	350,324	311,013	642,525	603,104
Interest expense, net	30,280	29,715	60,524	59,746
Other expense, net	2,543	364	(2,176)	2,149
Earnings before provision for income taxes and discontinued operations	317,501	280,934	584,177	541,209
Provision for income taxes	23,149	75,778	92,836	149,644
Earnings from continuing operations	294,352	205,156	491,341	391,565
Earnings from discontinued operations, net	35,697	8,945	48,711	18,599
Net earnings	330,049	214,101	540,052	410,164
Comprehensive earnings	$ 332,989	$ 120,514	$ 511,713	$ 357,819
Earnings per share from continuing operations [Abstract]
Earnings from continuing operations (in dollars per basic share)	$ 1.72	$ 1.12	$ 2.85	$ 2.13
Earnings from continuing operations (in dollars per diluted share)	$ 1.70	$ 1.10	$ 2.82	$ 2.10
Earnings per share from discontinued operations: [Abstract]
Earnings from discontinued operations, net (in dollars per basic share)	$ 0.21	$ 0.05	$ 0.28	$ 0.10
Earnings from discontinued operations, net (in dollars per diluted share)	$ 0.21	$ 0.05	$ 0.28	$ 0.10
Net earnings per share: [Abstract]
Net earnings (in dollars per basic share)	$ 1.93	$ 1.17	$ 3.13	$ 2.23
Net earnings (in dollars per diluted share)	$ 1.91	$ 1.15	$ 3.10	$ 2.20
Dividends paid per common share (in dollars per share)	$ 0.35	$ 0.315	$ 0.70	$ 0.63