Reclassifications from Accumulated Other Comprehensive Loss (Details 2) - USD ($) $ in Thousands	3 Months Ended
	May. 30, 2015	May. 31, 2014
Reclassification from accumulated other comprehensive loss
Income before income taxes	$ 31,277	$ 53,327
Income tax expense	(12,441)	(11,881)
Net income	18,836	41,446
Defined benefit pension plans | Reclassification from accumulated other comprehensive loss
Reclassification from accumulated other comprehensive loss
Income before income taxes	(995)	(659)
Income tax expense	398
Net income	(597)	(659)
Defined benefit pension plans | Reclassification from accumulated other comprehensive loss | Selling, general and administrative expenses
Reclassification from accumulated other comprehensive loss
Amortization of unrecognized prior service costs	(17)	(60)
Amortization of unrecognized net loss	$ (978)	$ (599)