CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net (loss) income	$ (346.0)	$ (245.6)	$ 43.0
Other comprehensive income (loss):
Currency translation adjustments	8.8	(80.3)	80.5
Amortization of cash flow hedge into income, net of tax expense ($0.2, $0.4, and $0.7 for the years ended December 31, 2019, 2018, and 2017, respectively)	0.4	1.0	1.0
Change in fair value of cash flow hedge, net of tax expense ($0.1, $0.0, and $0.0) for the years ended December 31, 2019, 2018, and 2017, respectively)	0.3		0.3
Accelerated amortization of interest rate lock premiums, net of tax expense ($1.1) for the year ended December 31, 2019	2.3
Total other comprehensive income (loss)	47.5	(79.3)	81.8
Comprehensive (loss) income	(298.5)	(324.9)	124.8
Less: comprehensive income (loss) attributable to noncontrolling interests	1.1	(1.9)	1.8
Comprehensive (loss) income attributable to Stericycle, Inc. common shareholders	(299.6)	$ (323.0)	$ 123.0
Mexico
Other comprehensive income (loss):
Cumulative currency translation loss realized through disposition of operations	18.9
Chile
Other comprehensive income (loss):
Cumulative currency translation loss realized through disposition of operations	$ 16.8