Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Aug. 29, 2015	Feb. 28, 2015
Goodwill
Goodwill impairment charges	$ 0	$ 0
Impairment of indefinite lived intangible assets	0
Carrying amount of goodwill
Balance at beginning of period	76,124
Acquisition (see Note 2. Acquisition)	1,457,703
Balance at end of period	1,533,827	76,124
Retail Pharmacy
Carrying amount of goodwill
Balance at beginning of period	76,124
Balance at end of period	76,124	$ 76,124
Pharmacy Services
Carrying amount of goodwill
Acquisition (see Note 2. Acquisition)	1,457,703
Balance at end of period	$ 1,457,703