Fair Value of Financial Instruments - Debt and Investments (Details) $ in Millions, $ in Millions |
9 Months Ended | ||||
|---|---|---|---|---|---|
|
Jun. 30, 2019
USD ($)
|
Jun. 30, 2019
CAD ($)
|
Nov. 30, 2020
USD ($)
|
Nov. 30, 2019
USD ($)
|
Feb. 29, 2020
USD ($)
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||||
| Payments to acquire investments | $ 217.4 | $ 33.7 | |||
| Long-term debt, including current portion | 10,944.5 | $ 11,945.7 | |||
| Carrying amount | |||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||||
| Long-term debt, including current portion | 10,944.5 | 11,945.7 | |||
| Fair value | |||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||||
| Long-term debt, including current portion | $ 12,486.7 | $ 12,935.9 | |||
| Convertible Debt Securities | |||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||||
| Payments to acquire investments | $ 150.5 | $ 200.0 | |||
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The cash outflow associated with the purchase of all investments (debt, security, other) during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|