CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 83,041	$ 80,832	$ 245,488	$ 234,497
Other Comprehensive Income/ (Loss):
Foreign currency translation adjustments	(51,552)	23,549	(40,777)	(17,070)
Amortization of cash flow hedge into income, net of tax ($55 and $50, and $155 and $150) for the three-and nine-months ended September 30, 2014 and 2013, respectively)	97	79	254	236
Change in fair value of cash flow hedge, net of tax ($0 and $0, and $47 and $0) for the three-and nine-months ended September 30, 2014 and 2013, respectively)	(159)	0	(308)	0
Total Other Comprehensive Income/ (Loss)	(51,614)	23,628	(40,831)	(16,834)
Comprehensive Income	31,427	104,460	204,657	217,663
Less: Comprehensive Income/ (Loss) Attributable to Noncontrolling Interests	(1,621)	347	(390)	389
Comprehensive Income Attributable to Stericycle, Inc.	$ 33,048	$ 104,113	$ 205,047	$ 217,274