Start-Up Costs - Additional Information (Detail) (USD $)	9 Months Ended
	Nov. 29, 2014 Location	Nov. 30, 2013
Segment Reporting Information [Line Items]
Number of locations	400
Start-up costs	$ 0	$ 8,000,000
Cost of Sales
Segment Reporting Information [Line Items]
Start-up costs		5,800,000
Selling, General and Administrative Expenses
Segment Reporting Information [Line Items]
Start-up costs		$ 2,200,000