Revenue (Tables)

3 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

Summary of Activity in Sales Rebates and Discounts Liability

The following table summarizes the activity in the sales rebates and discounts liability in the U.S.:

	Three Months Ended March 31,
	2020		2019
Beginning balance	$	150.4	$	118.5
Reduction of revenue	60.5		65.7
Payments	(73.3)		(64.2)
Ending balance	$	137.6	$	120.0

Disaggregation of Revenue

The following table summarizes our revenue disaggregated by product category:

	Three Months Ended March 31,
	2020		2019
Companion Animal Disease Prevention	$	140.3	$	185.9
Companion Animal Therapeutics	65.8		81.4
Food Animal Future Protein & Health	180.0		167.2
Food Animal Ruminants & Swine	252.6		274.1
Strategic Exits(1)	19.0		22.5
Revenue	$	657.7	$	731.1

⁽¹⁾Represents revenue from business activities we have either exited or made a strategic decision to exit.