BUSINESS SEGMENT INFORMATION (Tables)

9 Months Ended

Sep. 30, 2014

Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]

Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2014			2013			2014			2013
Net revenues:
Clinical diagnostics laboratory	$	1,468.9		$	1,377.8		$	4,250.5		$	4,113.4
Other	82.9			84.4			248.4			257.9
Total net revenues	1,551.8			1,462.2			4,498.9			4,371.3
Operating earnings (loss):
Clinical diagnostics laboratory	375.8			359.5			1,082.5			1,113.8
Other	21.2			24.0			64.6			71.7
General corporate expenses	(155.6		)	(138.9		)	(455.7		)	(409.6		)
Total operating income	241.4			244.6			691.4			775.9
Other income (expense), net	(22.4		)	(14.6		)	(52.2		)	(54.5		)
Earnings before income taxes	219.0			230.0			639.2			721.4
Provision for income taxes	81.5			81.3			246.5			272.7
Net earnings	137.5			148.7			392.7			448.7
Less income attributable to noncontrolling interests	(0.3		)	(0.4		)	(1.1		)	(1.2		)
Net income attributable to Laboratory Corporation of America Holdings	$	137.2		$	148.3		$	391.6		$	447.5