EARNINGS PER COMMON SHARE (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Earnings Per Common Share

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

	Years Ended December 31,
	2015		2014		2013
Numerator:
Net income attributable to Stericycle, Inc.	$	267,046	$	326,456	$	311,372
Less: mandatory convertible preferred stock dividend	10,106		—		—
Numerator for basic earnings per share attributable to Stericycle, Inc. common shareholders	256,940		326,456		311,372
Denominator:
Denominator for basic earnings per share-weighted average shares	84,944,841		84,932,792		85,902,550
Effect of diluted securities:
Employee stock options	1,217,768		1,300,820		1,489,438
Mandatory convertible preferred stock (1)	—		—		—
Denominator for diluted earnings per share-adjusted weighted average shares and after assumed exercises	86,162,609		86,233,612		87,391,988
Earnings per share – Basic	$	3.02	$	3.84	$	3.62
Earnings per share – Diluted	$	2.98	$	3.79	$	3.56

(1) In 2015, the weighted average common shares issuable upon the assumed conversion of the mandatory convertible preferred stock totaling 1,648,318 shares were excluded from the computation of diluted earnings per share as such conversion would have been anti-dilutive.