QUARTERLY DATA (UNAUDITED)

12 Months Ended

Dec. 31, 2013

Quarterly Financial Information Disclosure [Abstract]

The following is a summary of unaudited quarterly data:



	Year ended December 31, 2013
	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Full Year
Net sales	$	1,440.9	$	1,468.2	$	1,462.2	$	1,437.0	$	5,808.3
Gross profit	572.2		577.3		547.6		526.1		2,223.2
Net earnings attributable to Laboratory Corporation of America Holdings	147.2		151.9		148.3		126.4		573.8
Basic earnings per common share	1.58		1.65		1.66		1.46		6.36
Diluted earnings per common share	1.56		1.62		1.63		1.43		6.25



	Year ended December 31, 2012
	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Full Year
Net sales	$	1,423.3	$	1,423.4	$	1,419.4	$	1,405.3	$	5,671.4
Gross profit	576.1		579.5		556.1		538.0		2,249.7
Net earnings attributable to Laboratory Corporation of America Holdings	161.6		153.3		148.0		120.2		583.1
Basic earnings per common share	1.66		1.59		1.56		1.28		6.09
Diluted earnings per common share	1.63		1.56		1.53		1.26		5.99

- Definition

The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished.

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