DESCRIPTION OF BUSINESS	12 Months Ended
Dec. 31, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]
DESCRIPTION OF BUSINESS	DESCRIPTION OF BUSINESS We were incorporated in 1989 and presently serve a diverse customer base of more than 600,000 customers throughout the United States, Argentina, Brazil, Canada, Chile, Ireland, Japan, Mexico, Portugal, Romania, Republic of Korea, Spain, and the United Kingdom. We lease office space for our corporate offices in Lake Forest, Illinois. Domestically, we own or lease 64 processing facilities, the majority of which use autoclave waste processing technology. All of our processing facilities also serve as collection sites. We own or lease 137 additional transfer sites, 19 additional sales/administrative sites, and 51 other service facilities. Internationally, we own or lease 117 processing facilities, the majority of which use autoclave waste processing technology. We also own or lease 77 additional transfer sites, 45 additional sales/administrative sites, 46 other service facilities, and 2 landfills. We are in the business of providing regulated and compliance solutions to healthcare and commercial businesses. This includes the collection and processing of specialized waste for disposal, and a variety of training, consulting, recall/return, communication, and compliance services. The regulated solutions we provide include: medical waste disposal, hazardous waste management, our Steri-Safe^® medical waste and compliance program, our Clinical Services program, our Sharps Management Service featuring Bio Systems^® reusable sharps containers, pharmaceutical waste disposal, and medical safety products. Our compliance solutions include: training, consulting, inbound/outbound communications, data reporting, and other regulatory compliance services. In addition to our regulated and compliance solutions, we offer regulated recall and returns management solutions which encompass a number of services for a variety of businesses, but consist primarily of managing the recall, withdrawal, or return of expired or recalled products and pharmaceuticals. We have 9,969 employees in the United States, of which 456 are covered by collective bargaining agreements. Internationally, we have 8,687 employees, of which approximately 2,209 are covered by collective bargaining agreements, primarily in Latin America. The accompanying consolidated financial statements have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC") in conformity with accounting principles generally accepted in the United States. The preparation of financial statements in conformity with these accounting principles requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. In our opinion, the consolidated financial statements included herein contain all adjustments necessary to present fairly our financial position as of December 31, 2014 and 2013 and the results of our operations, our cash flows, and our statement of changes in equity for the three years ended December 31, 2014, 2013 and 2012. Such adjustments are of a normal recurring nature. We have evaluated subsequent events through the date of filing this Annual Report on Form 10-K. Certain amounts in previously issued financial statements have been reclassified to conform to the current period presentation. At December 31, 2013, the Company recorded an immaterial correction of an error to reclassify $5.2 million of book overdrafts from cash and cash equivalents to other current liabilities on the Consolidated Balance Sheet. This adjustment had no impact on previously reported Stericycle, Inc.'s equity, net income, or earnings per share. The preparation of the consolidated financial statements in conformity with accounting principles generally accepted in the United States requires management to make certain estimates and assumptions that affect the amount of reported assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and revenues and expenses during the periods reported. Actual results may differ from those estimates.

DESCRIPTION OF BUSINESS

We were incorporated in 1989 and presently serve a diverse customer base of more than 600,000 customers throughout the United States, Argentina, Brazil, Canada, Chile, Ireland, Japan, Mexico, Portugal, Romania, Republic of Korea, Spain, and the United Kingdom.

We lease office space for our corporate offices in Lake Forest, Illinois. Domestically, we own or lease 64 processing facilities, the majority of which use autoclave waste processing technology. All of our processing facilities also serve as collection sites. We own or lease 137 additional transfer sites, 19 additional sales/administrative sites, and 51 other service facilities. Internationally, we own or lease 117 processing facilities, the majority of which use autoclave waste processing technology. We also own or lease 77 additional transfer sites, 45 additional sales/administrative sites, 46 other service facilities, and 2 landfills.

We are in the business of providing regulated and compliance solutions to healthcare and commercial businesses. This includes the collection and processing of specialized waste for disposal, and a variety of training, consulting, recall/return, communication, and compliance services.

The regulated solutions we provide include: medical waste disposal, hazardous waste management, our Steri-Safe^® medical waste and compliance program, our Clinical Services program, our Sharps Management Service featuring Bio Systems^® reusable sharps containers, pharmaceutical waste disposal, and medical safety products. Our compliance solutions include: training, consulting, inbound/outbound communications, data reporting, and other regulatory compliance services. In addition to our regulated and compliance solutions, we offer regulated recall and returns management solutions which encompass a number of services for a variety of businesses, but consist primarily of managing the recall, withdrawal, or return of expired or recalled products and pharmaceuticals.

We have 9,969 employees in the United States, of which 456 are covered by collective bargaining agreements. Internationally, we have 8,687 employees, of which approximately 2,209 are covered by collective bargaining agreements, primarily in Latin America.

The accompanying consolidated financial statements have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC") in conformity with accounting principles generally accepted in the United States. The preparation of financial statements in conformity with these accounting principles requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period.

In our opinion, the consolidated financial statements included herein contain all adjustments necessary to present fairly our financial position as of December 31, 2014 and 2013 and the results of our operations, our cash flows, and our statement of changes in equity for the three years ended December 31, 2014, 2013 and 2012. Such adjustments are of a normal recurring nature. We have evaluated subsequent events through the date of filing this Annual Report on Form 10-K.

Certain amounts in previously issued financial statements have been reclassified to conform to the current period presentation. At December 31, 2013, the Company recorded an immaterial correction of an error to reclassify $5.2 million of book overdrafts from cash and cash equivalents to other current liabilities on the Consolidated Balance Sheet. This adjustment had no impact on previously reported Stericycle, Inc.'s equity, net income, or earnings per share.

The preparation of the consolidated financial statements in conformity with accounting principles generally accepted in the United States requires management to make certain estimates and assumptions that affect the amount of reported assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and revenues and expenses during the periods reported. Actual results may differ from those estimates.