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v3.20.1

Debt - Debt Obligations (Details) - USD ($) $ in Millions | Mar. 31, 2020 | Mar. 27, 2020 | Mar. 31, 2019 | May 31, 2018 | Feb. 28, 2017 | Feb. 28, 2015
--- | --- | --- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |  |  |
Gross long-term debt including current maturities | $ 10,593.3 |  | $ 11,659.3 |  |  |
Less: Debt discount | (1,043.2) |  | (1,268.7) |  |  |
Less: Debt issuance costs | (67.9) |  | (83.6) |  | $ (33.7) |
Net long-term debt including current maturities | 9,482.2 |  | 10,307.0 |  |  |
Less: Current maturities | (608.8) |  | (1,360.8) |  |  |
Net long-term debt | 8,873.4 |  | 8,946.2 |  |  |
2015 Senior Convertible Debt |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Less: Debt issuance costs |  |  |  |  |  | $ (30.3)
Senior Secured Indebtedness |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Gross long-term debt including current maturities | 6,727.0 |  | 7,178.0 |  |  |
Line of Credit |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Less: Debt issuance costs | (3.9) |  |  |  |  |
Line of Credit | Revolving Credit Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Gross long-term debt including current maturities | 2,388.5 |  | 3,266.5 |  |  |
Less: Debt issuance costs | (14.6) |  | (14.7) |  |  |
Line of Credit | Term Loan Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Gross long-term debt including current maturities | 1,723.5 |  | 1,911.5 |  |  |
Less: Debt issuance costs | (14.6) |  | (19.4) | $ (34.7) |  |
Bridge Loan Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Gross long-term debt including current maturities | 615.0 |  | 0.0 |  |  |
Less: Debt discount | (3.1) |  | 0.0 |  |  |
Less: Debt issuance costs | $ (3.1) | $ (6.2) | 0.0 |  |  |
Senior Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Less: Debt discount |  |  |  | (10.5) |  |
Less: Debt issuance costs |  |  |  | $ (24.4) |  |
Senior Notes | 2023 Senior Secured Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Coupon Interest Rate | 4.333% |  |  | 4.333% |  |
Effective Interest Rate | 4.70% |  |  |  |  |
Gross long-term debt including current maturities | $ 1,000.0 |  | 1,000.0 |  |  |
Less: Debt discount | (3.5) |  | (4.4) |  |  |
Less: Debt issuance costs | $ (7.7) |  | (10.2) |  |  |
Senior Notes | 2021 Senior Secured Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Coupon Interest Rate | 3.922% |  |  | 3.922% |  |
Effective Interest Rate | 4.50% |  |  |  |  |
Gross long-term debt including current maturities | $ 1,000.0 |  | 1,000.0 |  |  |
Less: Debt discount | (2.1) |  | (3.8) |  |  |
Less: Debt issuance costs | (4.8) |  | (8.8) |  |  |
Convertible Debt |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Gross long-term debt including current maturities | $ 3,866.3 |  | 4,481.3 |  |  |
Senior Subordinated Convertible Debt | 2017 Senior Convertible Debt |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Coupon Interest Rate | 1.625% |  |  |  |  |
Effective Interest Rate | 6.00% |  |  |  |  |
Fair Value of Liability Component at Issuance | $ 1,396.3 |  |  |  |  |
Gross long-term debt including current maturities | 2,070.0 |  | 2,070.0 |  |  |
Less: Debt discount | (504.2) |  | (561.9) |  |  |
Less: Debt issuance costs | $ (13.0) |  | (14.5) |  |  |
Senior Subordinated Convertible Debt | 2015 Senior Convertible Debt |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Coupon Interest Rate | 1.625% |  |  |  |  |
Effective Interest Rate | 5.90% |  |  |  |  |
Fair Value of Liability Component at Issuance | $ 916.8 |  |  |  |  |
Gross long-term debt including current maturities | 1,110.0 |  | 1,725.0 |  |  |
Less: Debt discount | (192.9) |  | (351.4) |  |  |
Less: Debt issuance costs | $ (7.0) |  | (12.8) |  |  |
Junior Subordinated Convertible Debt | 2017 Junior Convertible Debt |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Coupon Interest Rate | 2.25% |  |  |  |  |
Effective Interest Rate | 7.40% |  |  |  |  |
Fair Value of Liability Component at Issuance | $ 321.1 |  |  |  |  |
Gross long-term debt including current maturities | 686.3 |  | 686.3 |  |  |
Less: Debt discount | (337.4) |  | (347.2) |  |  |
Less: Debt issuance costs | $ (3.1) |  | $ (3.2) |  |  |

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