Acquisitions (Tables)

9 Months Ended

Sep. 30, 2012

Acquisitions [Abstract]

Consideration paid and the provisional fair value of the assets acquired and liabilities

Assets:
Current assets	$     751,706
Property, plant and equipment	1,223,448
Goodwill	1,922,277
Intangible and other long-term assets	370,377
Liabilities:
Current liabilities	236,986
Deferred income taxes	435,904
Other long-term liabilities	4,125
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
Trade names	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 September 30, 2012	$  1,644,736	$      195,924	$         1.34	$         1.32
Supplemental pro forma for the Company:
Three months ended September 30, 2012	$  1,186,161	$        95,184	$         0.61	$         0.60
Nine months ended September 30, 2012	$  3,678,070	$      350,297	$         2.24	$         2.21
Three months ended September 30, 2011	$  1,114,552	$      111,083	$         0.72	$         0.71
Nine months ended September 30, 2011	$  3,003,020	$      249,724	$         1.62	$         1.60