Goodwill and Other Intangibles - Goodwill (Details) $ in Thousands	12 Months Ended
Feb. 27, 2016 USD ($) segment	Feb. 28, 2015 USD ($)
Goodwill
Number of reportable units \| segment	2
Goodwill impairment charges	$ 0	$ 0
Carrying amount of goodwill
Balance at beginning of period	76,124
Acquisitions	1,637,351	76,124
Balance at end of period	1,713,475	76,124
Retail Pharmacy
Carrying amount of goodwill
Balance at beginning of period	76,124
Acquisitions		76,124
Balance at end of period	76,124	$ 76,124
Pharmacy Services
Carrying amount of goodwill
Acquisitions	1,637,351
Balance at end of period	$ 1,637,351

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

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Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

+ References

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