Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of revenue from contracts with customer

The Company disaggregates revenue from contracts with customers into product and geographical regions as summarized below.

	Three months ended September 30,				Nine months ended September 30,
	2020		2019		2020		2019
SOLIRIS
United States	$	562.8	$	496.8	$	1,672.3	$	1,456.8
Europe	254.3		255.5		765.7		800.2
Asia Pacific	86.0		118.0		255.5		329.2
Rest of World	139.2		120.2		347.2		347.1
Total	$	1,042.3	$	990.5	$	3,040.7	$	2,933.3
ULTOMIRIS
United States	$	170.7	$	65.1	$	460.3	$	143.9
Europe	46.6		21.1		112.4		21.1
Asia Pacific	69.6		3.7		186.3		3.7
Rest of World	2.4		—		4.2		—
Total	$	289.3	$	89.9	$	763.2	$	168.7
STRENSIQ
United States	$	149.3	$	118.0	$	418.1	$	323.7
Europe	19.3		19.0		61.6		56.0
Asia Pacific	16.1		14.0		44.7		36.0
Rest of World	4.7		3.3		21.5		10.0
Total	$	189.4	$	154.3	$	545.9	$	425.7
ANDEXXA
United States	$	36.2	$	—	$	36.2	$	—
Europe	2.7		—		2.7		—
Asia Pacific	—		—		—		—
Rest of World	—		—		—		—
Total	$	38.9	$	—	$	38.9	$	—
KANUMA
United States	$	15.8	$	16.0	$	47.6	$	45.1
Europe	9.5		6.3		25.4		19.4
Asia Pacific	1.1		1.3		2.9		3.4
Rest of World	2.0		4.8		12.8		10.2
Total	$	28.4	$	28.4	$	88.7	$	78.1
Total Net Product Sales	$	1,588.3	$	1,263.1	$	4,477.4	$	3,605.8

Summary of receivables and contract liabilities from contracts

	September 30, 2020		December 31, 2019
Receivables, which are included in "Trade accounts receivable, net"	$	1,437.1	$	1,243.2
Contract liabilities, which are included in "Other current liabilities"	$	22.7	$	6.8