Represents percentage of cost of revenue.

No definition available.

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- Definition

Represents percentage of sales service revenue.

+ References

No definition available.

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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.

+ Details

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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- Definition

The number of derivative instruments of a particular group held by the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References

No definition available.

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- Definition

Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
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- Details

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Summary of Significant Accounting Policies - Significant Concentrations (Details) $ in Thousands		12 Months Ended
	Feb. 17, 2014	Feb. 27, 2016 USD ($) derivative	Feb. 28, 2015 derivative	Mar. 01, 2014
Derivatives
Number of interest rate swap arrangements or other derivatives held \| derivative		0	0
Retail Pharmacy \| Pharmacy sales \| Customers \| Top five third party payors
Significant Concentrations
Percentage of concentration risk		70.40%
Retail Pharmacy \| Pharmacy sales \| Customers \| Largest third party payor \| Express Scripts
Significant Concentrations
Percentage of concentration risk		25.30%	27.80%	31.60%
Retail Pharmacy \| Pharmacy sales \| Customers \| Medicaid agencies and related managed care Medicaid payors
Significant Concentrations
Percentage of concentration risk		19.90%
Retail Pharmacy \| Pharmacy sales \| Customers \| Largest Medicaid agency
Significant Concentrations
Percentage of concentration risk		1.50%
Retail Pharmacy \| Pharmacy sales \| Customers \| Medicare Part D
Significant Concentrations
Percentage of concentration risk		31.90%
Retail Pharmacy \| Purchases \| Suppliers \| McKesson Corp.
Significant Concentrations
Percentage of concentration risk		97.50%
Period for Purchasing and Delivery Arrangement	5 years
Pharmacy Services \| Medicare Part D
Significant Concentrations
Net revenues \| $		$ 162,620
Percentage of revenues		0.50%
Pharmacy Services \| Medicare Part D \| Swiss Re
Significant Concentrations
Percentage of revenues		50.00%
Percentage of cost of revenue		50.00%