Activity Related to Unrecognized Tax Benefits for U.S. Federal and State Tax Jurisdictions and Excludes Accrued Interest and Penalties (Detail) - USD ($) $ in Thousands	12 Months Ended
Feb. 25, 2017	Feb. 27, 2016	Feb. 28, 2015
Reconciliation of Unrecognized Tax Benefits
Unrecognized tax benefits at beginning of year	$ 2,485	$ 1,999	$ 7,638
Increases in tax positions for prior years	212	1,167	0
Decreases in tax positions for prior years	(26)	(259)	(5,595)
Increases in unrecognized tax benefits as a result of current year activity	19	176	50
Decreases to unrecognized tax benefits relating to settlements with taxing authorities	0	0	(29)
Decreases to unrecognized tax benefits as a result of a lapse of the applicable statute of limitations	(535)	(598)	(65)
Unrecognized tax benefits at end of year	$ 2,155	$ 2,485	$ 1,999

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=SL6600010-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Unrecognized Tax Benefit
-URI http://asc.fasb.org/extlink&oid=6527854

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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