RESTATEMENT - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Selling, general and administrative expenses (exclusive of depreciation and amortization)	$ 222,378	$ 136,752	$ 424,866	$ 351,615
Net income attributable to Stericycle, Inc.	$ 46,034	87,830	$ 122,820	116,770
Adjustment
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Selling, general and administrative expenses (exclusive of depreciation and amortization)		(45,000)		28,500
Net income attributable to Stericycle, Inc.		$ 27,381		$ (19,137)