XML 67 R52.htm IDEA: XBRL DOCUMENT v3.21.1
Debt - Debt Obligations (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Mar. 31, 2020
Debt Instrument [Line Items]      
Gross long-term debt including current maturities $ 9,209.4   $ 10,593.3
Less: Debt discount (273.0)   (1,043.2)
Less: Debt issuance costs (32.3)   (67.9)
Net long-term debt including current maturities 8,904.1   9,482.2
Less: Current maturities (1,322.9)   (608.8)
Net long-term debt 7,581.2   8,873.4
Line of Credit | Revolving Credit Facility      
Debt Instrument [Line Items]      
Gross long-term debt including current maturities 2,346.6   2,388.5
Less: Debt issuance costs (10.0)   (14.6)
Line of Credit | Term Loan Facility      
Debt Instrument [Line Items]      
Gross long-term debt including current maturities 0.0   1,723.5
Less: Debt issuance costs 0.0   (14.6)
Bridge Loan Facility      
Debt Instrument [Line Items]      
Gross long-term debt including current maturities 0.0   615.0
Less: Debt discount 0.0   (3.1)
Less: Debt issuance costs 0.0   (3.1)
Senior Indebtedness      
Debt Instrument [Line Items]      
Gross long-term debt including current maturities $ 7,946.6   6,727.0
Senior Indebtedness | 3.922% 2021 Notes      
Debt Instrument [Line Items]      
Coupon Interest Rate 3.922%    
Effective Interest Rate 4.50%    
Gross long-term debt including current maturities $ 1,000.0   1,000.0
Less: Debt discount (0.3)   (2.1)
Less: Debt issuance costs $ (0.7)   (4.8)
Senior Indebtedness | 4.333% 2023 Notes      
Debt Instrument [Line Items]      
Coupon Interest Rate 4.333%    
Effective Interest Rate 4.70%    
Gross long-term debt including current maturities $ 1,000.0   1,000.0
Less: Debt discount (2.4)   (3.5)
Less: Debt issuance costs $ (5.3)   (7.7)
Senior Indebtedness | 2.670% 2023 Notes      
Debt Instrument [Line Items]      
Coupon Interest Rate 2.67%    
Effective Interest Rate 2.80%    
Gross long-term debt including current maturities $ 1,000.0   0.0
Less: Debt discount (2.3)   0.0
Less: Debt issuance costs $ (1.3)   0.0
Senior Indebtedness | 0.972% 2024 Notes      
Debt Instrument [Line Items]      
Coupon Interest Rate 0.972%    
Effective Interest Rate 1.10%    
Gross long-term debt including current maturities $ 1,400.0   0.0
Less: Debt discount (3.8)   0.0
Less: Debt issuance costs $ (2.0)   0.0
Senior Indebtedness | 4.250% 2025 Notes      
Debt Instrument [Line Items]      
Coupon Interest Rate 4.25%    
Effective Interest Rate 4.60%    
Gross long-term debt including current maturities $ 1,200.0   0.0
Less: Debt discount (12.8)   0.0
Less: Debt issuance costs (1.7)   0.0
Senior Indebtedness | 2020 Senior Convertible Debt      
Debt Instrument [Line Items]      
Less: Debt discount   $ (110.0)  
Convertible Debt      
Debt Instrument [Line Items]      
Gross long-term debt including current maturities $ 1,262.8   3,866.3
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 $ 120.9    
Gross long-term debt including current maturities 141.4   1,110.0
Less: Debt discount (20.1)   (192.9)
Less: Debt issuance costs $ (0.7)   (7.0)
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 $ 260.9    
Gross long-term debt including current maturities 333.3   2,070.0
Less: Debt discount (71.3)   (504.2)
Less: Debt issuance costs $ (1.8)   (13.0)
Senior Subordinated Convertible Debt | 2020 Senior Convertible Debt      
Debt Instrument [Line Items]      
Coupon Interest Rate 0.125%    
Effective Interest Rate 5.10%    
Fair Value of Liability Component at Issuance $ 555.5    
Gross long-term debt including current maturities 665.5   0.0
Less: Debt discount (101.6)   0.0
Less: Debt issuance costs $ (8.3)   0.0
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 $ 64.0    
Gross long-term debt including current maturities 122.6   686.3
Less: Debt discount (58.4)   (337.4)
Less: Debt issuance costs $ (0.5)   $ (3.1)