Reclassifications from Accumulated Other Comprehensive Loss - Impact on Net Income (Details) - USD ($) $ in Thousands	3 Months Ended
	May 28, 2016	May 30, 2015
Defined benefit pension plans
Reclassification from accumulated other comprehensive loss
Net of income tax expense	$ (681)	$ (597)
Defined benefit pension plans | Reclassification from accumulated other comprehensive loss
Reclassification from accumulated other comprehensive loss
Total before income tax expense	(1,132)	(995)
Income tax expense	451	398
Prior service cost | Reclassification from accumulated other comprehensive loss | Selling, general and administrative expenses
Reclassification from accumulated other comprehensive loss
Total before income tax expense		(17)
Unrecognized net loss | Reclassification from accumulated other comprehensive loss | Selling, general and administrative expenses
Reclassification from accumulated other comprehensive loss
Total before income tax expense	$ (1,132)	$ (978)