Employee Stock Purchase Plan, Maximum Fair Value of Shares That May Be Purchased Per Calendar Year

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- Definition

Employee Stock Purchase Plan, Maximum Percentage of Compensation to Purchase Shares By Eligible Participants

+ References

No definition available.

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- Definition

Share Based Compensation Arrangement by Share Based Payment Award, Options, Expiration Term

+ References

No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Stock Price Percentage Of Fair Market Value

+ References

No definition available.

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- Definition

Share Based Compensation Arrangement by Share Based Payment Awards Performance Period

+ References

No definition available.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Discount rate from fair value on offering date that participants pay for shares.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-Paragraph 2
-Subparagraph (d)(2)
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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.

+ References

No definition available.

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

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-Publisher FASB
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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(2)
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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
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Share-Based Compensation - Additional Information (Detail) - USD ($)	12 Months Ended
	Feb. 25, 2017	Feb. 27, 2016	Feb. 28, 2015	Jul. 31, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	$ 11,000,000	$ 10,900,000	$ 8,200,000
Options expiration term	10 years
Estimated weighted-average fair value of individual options granted (in USD per share)	$ 4.82	$ 6.49	$ 8.40
Total intrinsic value of options exercised	$ 1,257,000	$ 1,100,000	$ 6,700,000
Share-based compensation vesting period	4 years
Continuing Operations
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	$ 9,900,000	10,600,000	8,000,000
Discontinued Operations
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	$ 1,100,000	300,000	200,000
Stock Incentive Plan 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized				10,500,000
Stock Incentive Plan 2009 \| All awards other than options and stock appreciation rights
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized				4,000,000
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee stock purchase plan, percentage of market price to acquire common stock	85.00%
Employee stock purchase plan, percentage of discount on compensation expense	15.00%
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	$ 4,400,000	5,900,000	3,900,000
Total unrecognized compensation cost	$ 5,800,000
Total unrecognized compensation cost, weighted average recognition period	1 year 7 months 23 days
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	$ 6,500,000	4,900,000	4,200,000
Total unrecognized compensation cost	$ 5,300,000
Total unrecognized compensation cost, weighted average recognition period	1 year 4 months 19 days
Performance-based awards performance period	3 years
Share-based compensation vesting period	3 years
Total fair value of awards vested	$ 8,800,000
Restricted Stock \| Employees \| Cliff-vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation vesting period	3 years
Restricted Stock \| Non-employee Directors \| Cliff-vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation vesting period	1 year
Employee Stock Purchase Plan \| Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized	2,400,000
Share-based compensation	$ 100,000	$ 100,000	$ 100,000
Employee stock purchase plan, maximum percentage of annual compensation to acquire common stock	15.00%
Employee stock purchase plan ,maximum fair value of shares that may be purchased per calendar year	$ 25,000
Shares issued under employee stock purchase plan (in shares)	37,000	39,000	29,000