Represents the accumulated number of points required in a calendar year for achieving the "Gold" tier.

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- Definition

Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred in general liability occurrences.

+ References

No definition available.

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- Definition

Represents the number of points awarded for each dollar spent towards front end merchandise under wellness+ loyalty card program.

+ References

No definition available.

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- Definition

Represents the number of points awarded for each qualifying prescription under wellness+ loyalty card program.

+ References

No definition available.

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- Definition

Represents the percentage discount on qualifying purchases of front end merchandise on achieving "Gold" tier.

+ References

No definition available.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, 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 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 720

-SubTopic 35

-Section 50

-Paragraph 1

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-Publisher AICPA

-Name Statement of Position (SOP)

-Number 93-7

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

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-Topic 230

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- 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.

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- Definition

Acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature.

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-Name Regulation S-X (SX)

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Summary of Significant Accounting Policies (Details 4) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 02, 2013 item	Mar. 03, 2012	Feb. 26, 2011
Intangible Assets
Estimated useful life of prescription files acquired in business combinations	10 years
Estimated useful life of purchased prescription files acquired in other than business combinations	5 years
Deferred Financing Costs
Amortization expenses of deferred financing costs	$ 21,896	$ 22,049	$ 23,797
Revenue Recognition
Number of points awarded for each dollar spent towards front end merchandise	1
Number of points are awarded for each qualifying prescription	25
Accumulated number of points in a calendar year to achieve the "Gold" tier	1,000
Percentage discount on qualifying purchases of front end merchandise on achieving "Gold" tier	20.00%
Advertising
Advertising expenses, net of vendor advertising allowances	335,779	369,405	367,412
Minimum
Insurance
Workers compensation occurrences	1,000
General liability occurrences	2,000
Buildings \| Minimum
Property, Plant and Equipment
Useful life	30 years
Buildings \| Maximum
Property, Plant and Equipment
Useful life	45 years
Equipment \| Minimum
Property, Plant and Equipment
Useful life	3 years
Equipment \| Maximum
Property, Plant and Equipment
Useful life	15 years
Internal-use software
Property, Plant and Equipment
Capitalized costs	$ 5,844	$ 6,371	$ 4,759