EARNINGS PER COMMON SHARE (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Earnings Per Common Share

The following table sets forth the computation of basic and diluted earnings per share:

In thousands, except share and per share data
	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Numerator:
Numerator for basic earnings per share Net income attributable to Stericycle, Inc.	$	78,044	$	67,593	$	152,661	$	132,450
Denominator:
Denominator for basic earnings per share weighted average shares	86,125,012		85,170,255		86,109,244		84,999,268
Effect of diluted securities:
Employee stock options	1,489,941		1,665,360		1,436,397		1,715,139
Denominator for diluted earnings per share-adjusted weighted average shares and after assumed conversions	87,614,953		86,835,615		87,545,641		86,714,407
Earnings per share – Basic	$	0.91	$	0.79	$	1.77	$	1.56
Earnings per share – Diluted	$	0.89	$	0.78	$	1.74	$	1.53