CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Statement [Abstract]
Revenues	$ 640,822	$ 526,525	$ 1,210,777	$ 1,040,329
Costs and Expenses:
Cost of revenues (exclusive of depreciation shown below)	350,416	276,385	652,176	546,058
Depreciation - cost of revenues	15,102	12,288	27,828	24,325
Selling, general and administrative expenses (exclusive of depreciation and amortization shown below)	117,547	94,845	229,727	185,891
Depreciation – selling, general and administrative expenses	3,977	2,954	7,292	5,763
Amortization	8,402	6,533	15,717	13,175
Total Costs and Expenses	495,444	393,005	932,740	775,212
Income from Operations	145,378	133,520	278,037	265,117
Other Income (Expense):
Interest income	50	102	70	269
Interest expense	(16,418)	(13,015)	(31,336)	(26,561)
Other expense, net	(392)	(545)	(1,092)	(1,558)
Total Other Expense	(16,760)	(13,458)	(32,358)	(27,850)
Income Before Income Taxes	128,618	120,062	245,679	237,267
Income Tax Expense	45,941	41,619	83,232	83,602
Net Income	82,677	78,443	162,447	153,665
Less: Net Income Attributable to Noncontrolling Interests	741	399	1,362	1,004
Net Income Attributable to Stericycle, Inc.	$ 81,936	$ 78,044	$ 161,085	$ 152,661
Earnings Per Common Share Attributable to Stericycle, Inc. Common Shareholders:
Basic	$ 0.97	$ 0.91	$ 1.90	$ 1.77
Diluted	$ 0.95	$ 0.89	$ 1.87	$ 1.74
Weighted Average Number of Common Shares Outstanding:
Basic	84,699,043	86,125,012	84,982,966	86,109,244
Diluted	85,982,588	87,614,953	86,300,292	87,545,641