EARNINGS PER COMMON SHARE (Tables)

9 Months Ended

Sep. 30, 2015

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 September 30,					Nine Months Ended September 30,
	2015			2014		2015			2014
Numerator:
Net income attributable to Stericycle, Inc.	$	52,263		$	82,845	$	188,170		$	243,930
Mandatory convertible preferred stock dividend (1)	(1,684		)	—		(1,684		)	—
Numerator for basic earnings per share attributable to Stericycle, Inc. common shareholders	$	50,579		$	82,845	$	186,486		$	243,930
Denominator:
Denominator for basic earnings per share-weighted average shares	84,884,599			84,858,360		84,960,955			84,940,975
Effect of diluted securities:
Employee stock options	1,235,716			1,258,095		1,273,904			1,296,227
Mandatory convertible preferred stock (2)	—			—		—			—
Denominator for diluted earnings per share-adjusted weighted average shares and after assumed exercises	86,120,315			86,116,455		86,234,859			86,237,202
Earnings per share – Basic	$	0.60		$	0.98	$	2.19		$	2.87
Earnings per share – Diluted	$	0.59		$	0.96	$	2.16		$	2.83

(1) Mandatory convertible preferred stock dividend - no dividend was declared or paid as of September 30, 2015.

(2) Weighted average common shares issuable upon the assumed conversion of the mandatory convertible preferred stock totaling 921,207 shares were excluded from the computation of diluted earnings per share as such conversion would have been antidilutive.