Employee Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended
	May. 30, 2015	May. 31, 2014
Components of net periodic benefit cost
Interest cost	$ 142	$ 138
Expected return on assets	(34)	(43)
Amortization of unrecognized net loss	62	44
Net periodic benefit cost	$ 170	$ 139