Other Non-Current Liabilities Other non-current liabilities (Details) - USD ($) $ in Thousands	Aug. 27, 2016	Feb. 27, 2016
Other Liabilities Disclosure [Abstract]
Deferred benefit from New Markets Tax Credit	$ 16,708	$ 10,741
Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent	9,992	9,992
Deferred Compensation Liability, Classified, Noncurrent	7,106	4,814
Other Accrued Liabilities, Noncurrent	12,960	15,808
Other Liabilities, Noncurrent	$ 46,766	$ 41,355