Fair Value of Financial Instruments (Tables)

6 Months Ended

Sep. 30, 2020

Fair Value Disclosures [Abstract]

Summary of Carrying Amount and Fair Values

The following table shows the carrying amounts and fair values of the Company's debt obligations as of September 30, 2020 and March 31, 2020 (in millions):

	September 30, 2020				March 31, 2020
	Carrying Amount (1)		Fair Value		Carrying Amount (1)		Fair Value
Revolving Credit Facility	$	1,907.3	$	1,919.6	$	2,373.9	$	2,388.5
Term Loan Facility	1,692.5		1,705.7		1,708.9		1,723.5
Bridge Loan Facility	—		—		608.8		615.0
4.333% 2023 Notes	990.5		1,077.1		988.8		990.0
3.922% 2021 Notes	996.1		1,021.8		993.1		985.0
2.670% 2023 Notes	995.7		1,036.0		—		—
4.250% 2025 Notes	1,183.9		1,246.8		—		—
2017 Senior Convertible Debt	799.2		1,608.9		1,552.8		2,130.3
2015 Senior Convertible Debt	261.2		695.9		910.1		1,601.8
2017 Junior Convertible Debt	351.1		1,040.2		345.8		656.2
Total	$	9,177.5	$	11,352.0	$	9,482.2	$	11,090.3

(1) The carrying amounts presented are net of debt discounts and debt issuance costs (see Note 6 for further information).