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Summary of Significant Accounting Policies and Related Information - Economic useful lives and amortization of intangible assets (Details)	12 Months Ended
	Feb. 28, 2021
Minimum | Other Intangibles
Finite-Lived Intangible Assets [Line Items]
Weighted Average Life (in years)	5 years
Minimum | License
Finite-Lived Intangible Assets [Line Items]
Weighted Average Life (in years)	5 years
Minimum | Trademarks
Finite-Lived Intangible Assets [Line Items]
Weighted Average Life (in years)	15 years
Maximum | Other Intangibles
Finite-Lived Intangible Assets [Line Items]
Weighted Average Life (in years)	24 years
Maximum | License
Finite-Lived Intangible Assets [Line Items]
Weighted Average Life (in years)	40 years
Maximum | Trademarks
Finite-Lived Intangible Assets [Line Items]
Weighted Average Life (in years)	30 years

X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_OtherIntangibleAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: