Acquisitions (Tables)

12 Months Ended

Dec. 31, 2012

Acquisitions [Abstract]

Consideration Paid And The Provisional Fair Value Of The Assets Acquired And Liabilities

Assets:
Current assets	$     738,456
Property, plant and equipment	1,221,808
Goodwill	1,922,689
Intangible and other long-term assets	372,713
	-
Liabilities:
Current liabilities	231,951
Deferred income taxes	403,403
Other long-term liabilities	29,519
Net assets acquired	$  3,590,793

Fair Value Estimates Recorded For The Identifiable Intangible Assets

	Estimated Fair Value	Estimated Useful Life
Customer relationships	$        315,000	17 years
Tradenames	35,000	10 years
Total identifiable intangible assets	$        350,000

Supplemental Pro Forma Results

	Revenue	Net income from continuing operations	Basic earnings per share	Diluted earnings per share
Actual results of acquisitions from date
of acquisitions through December 31, 2012	$  2,225,013	$      140,806	$         1.61	$         1.59
Supplemental pro forma for the Company:
Year ended December 31, 2012	$  4,858,464	$      428,276	$         2.70	$         2.70
Year ended December 31, 2011	$  4,214,617	$      390,209	$         2.53	$         2.49