CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Revenues	$ 667,877	$ 534,579	$ 1,878,654	$ 1,574,908
Costs and Expenses:
Cost of revenues (exclusive of depreciation shown below)	373,973	280,645	1,026,149	826,703
Depreciation - cost of revenues	15,235	12,531	43,063	36,856
Selling, general and administrative expenses (exclusive of depreciation and amortization shown below)	125,603	96,689	355,330	282,580
Depreciation – selling, general and administrative expenses	5,033	2,610	12,325	8,373
Amortization	8,497	6,709	24,214	19,884
Total Costs and Expenses	528,341	399,184	1,461,081	1,174,396
Income from Operations	139,536	135,395	417,573	400,512
Other Income (Expense):
Interest income	27	151	97	420
Interest expense	(16,644)	(13,467)	(47,980)	(40,028)
Other expense, net	(477)	(1,341)	(1,569)	(2,899)
Total Other Expense	(17,094)	(14,657)	(49,452)	(42,507)
Income Before Income Taxes	122,442	120,738	368,121	358,005
Income Tax Expense	39,401	39,906	122,633	123,508
Net Income	83,041	80,832	245,488	234,497
Less: Net Income Attributable to Noncontrolling Interests	196	285	1,558	1,289
Net Income Attributable to Stericycle, Inc.	$ 82,845	$ 80,547	$ 243,930	$ 233,208
Earnings Per Common Share Attributable to Stericycle, Inc. Common Shareholders:
Basic	$ 0.98	$ 0.94	$ 2.87	$ 2.71
Diluted	$ 0.96	$ 0.92	$ 2.83	$ 2.67
Weighted Average Number of Common Shares Outstanding:
Basic	84,858,360	85,849,656	84,940,975	86,021,764
Diluted	86,116,455	87,401,565	86,237,202	87,497,276