Share-based Payment Arrangement, Minimum Percent of Shares Received from Awards Required to Hold

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- Definition

This element represents the impact of stock-based compensation expense on diluted earnings per share.

+ References

No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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- Definition

Amount, after tax, of expense for award under share-based payment arrangement.

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No definition available.

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- Definition

Amount of cost capitalized for award under share-based payment arrangement.

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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- 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.

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No definition available.

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Stock-Based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		9 Months Ended
	Nov. 04, 2019	Nov. 30, 2019	Dec. 01, 2018	Nov. 30, 2019	Dec. 01, 2018	Mar. 02, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense		$ 4.7	$ 12.3	$ 36.1	$ 49.3
Stock-based compensation expense, after tax		$ 3.8	$ 11.1	$ 29.6	$ 36.9
Stock-based compensation expense, after tax, per diluted share		$ 0.03	$ 0.08	$ 0.24	$ 0.27
Stock-based compensation cost capitalized				$ 0.7	$ 1.6
Inducement Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair value (in dollars per share)			$ 13.65		$ 13.65
Minimum required percentage of common stock from awards held		40.00%		40.00%
Performance Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, expected to vest (in shares)				821,000
Weighted average fair value (in dollars per share)		$ 20.41		$ 20.41		$ 27.16
Unrecognized compensation expense		$ 6.9		$ 6.9
Period for recognition, weighted average period				1 year 9 months 18 days
Performance Stock Units [Member] \| Inducement Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, expected to vest (in shares)	273,735
Unrecognized compensation expense		$ 3.4		$ 3.4
Period for recognition, weighted average period				1 year 10 months 24 days
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, expected to vest (in shares)				890,000
Weighted average fair value (in dollars per share)		$ 34.56		$ 34.56		$ 41.73
Unrecognized compensation expense		$ 78.3		$ 78.3
Period for recognition, weighted average period				3 years 9 months 18 days
Restricted Stock [Member] \| Inducement Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense		$ 6.7		$ 6.7
Period for recognition, weighted average period				1 year 3 months 18 days
Vest on November 4, 2020 [Member] \| Restricted Stock Units (RSUs) [Member] \| Inducement Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, expected to vest (in shares)	39,105
Vest on March 31, 2020, September 30, 2020, and March 31, 2021 [Member] \| Restricted Stock Units (RSUs) [Member] \| Inducement Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, expected to vest (in shares)	539,648
Vest on March 31, 2020 [Member] \| Restricted Stock Units (RSUs) [Member] \| Inducement Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, expected to vest (in shares)	273,734
Vest on September 30, 2020 [Member] \| Restricted Stock Units (RSUs) [Member] \| Inducement Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, expected to vest (in shares)	132,957
Vest on March 31, 2021 [Member] \| Restricted Stock Units (RSUs) [Member] \| Inducement Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, expected to vest (in shares)	132,957