Commitments and Contingencies (Details) $ in Millions	3 Months Ended
	May 28, 2016 USD ($) case StoreManager
WBA Merger
Commitments and contingencies
Number of lawsuits	10
Indergit
Commitments and contingencies
Number of current and former store managers court ordered notices to be sent | StoreManager	7,000
Number of current and former store managers who joined the action | StoreManager	1,550
Number of current and former store managers to whom notices have been sent | StoreManager	1,750
Chase and Scherwin and Kyle
Commitments and contingencies
Legal settlement amount | $	$ 9.0
Hall
Commitments and contingencies
Number of similar cases	2
DELAWARE | WBA Merger
Commitments and contingencies
Number of lawsuits	8
PENNSYLVANIA | WBA Merger
Commitments and contingencies
Number of lawsuits	1
DELAWARE AND PENNSYLVANIA | WBA Merger
Commitments and contingencies
Number of lawsuits	9