v3.26.1
Fair Value of Financial Instruments (Tables)
12 Months Ended
Mar. 31, 2026
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 (in millions):
March 31,
20262025
Carrying Amount(1)
Fair Value
Carrying Amount(1)
Fair Value
Commercial Paper$348.5 $349.0 $174.9 $175.0 
4.250% 2025 Notes— — 1,198.5 1,196.9 
4.900% 2028 Notes996.7 1,006.0 995.0 1,002.5 
5.050% 2029 Notes995.5 1,013.6 993.9 1,005.8 
5.050% 2030 Notes995.3 1,009.0 994.2 996.9 
2017 Senior Convertible Debt37.9 62.6 37.9 57.7 
2024 Senior Convertible Debt1,238.6 1,243.8 1,236.0 1,173.4 
2026 Senior Convertible Debt883.9 875.0 — — 
Total$5,496.4 $5,559.0 $5,630.4 $5,608.2 
(1) The carrying amounts presented are net of debt discounts and debt issuance costs (see Note 6 for further information).