Other Intangibles (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 02, 2013	Mar. 03, 2012	Feb. 26, 2011
Finite-lived intangible assets
Gross carrying amount	$ 1,909,628	$ 1,854,306
Accumulated amortization	(1,445,224)	(1,325,531)
Amortization expense for intangible assets and liabilities	127,737	143,790	173,618
Anticipated annual amortization expense for intangible assets and liabilities
2014	104,289
2015	87,308
2016	76,037
2017	63,004
2018	25,170
Favorable leases and other
Finite-lived intangible assets
Gross carrying amount	623,541	614,862
Accumulated amortization	(413,556)	(374,685)
Remaining weighted average amortization period	10 years	10 years
Prescription files
Finite-lived intangible assets
Gross carrying amount	1,286,087	1,239,444
Accumulated amortization	(1,031,668)	(950,846)
Remaining weighted average amortization period	4 years	5 years
Unfavorable lease intangibles
Finite-lived intangible assets
Net carrying amount	$ 70,195	$ 82,030

The remaining amortization period of a major finite-lived intangible asset class.

No definition available.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Amount of amortization expense expected to be recognized during the next fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of amortization expense expected to be recognized during the fifth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of amortization expense expected to be recognized during the fourth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of amortization expense expected to be recognized during the third fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of amortization expense expected to be recognized during the second fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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