Reclassifications from Accumulated Other Comprehensive Loss (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 28, 2015	Nov. 29, 2014	Nov. 28, 2015	Nov. 29, 2014
Defined benefit pension plans
Reclassification from accumulated other comprehensive loss
Net of income tax expense	$ (597)	$ (660)	$ (1,792)	$ (1,979)
Defined benefit pension plans | Reclassification from accumulated other comprehensive loss
Reclassification from accumulated other comprehensive loss
Total before income tax expense	(995)	(660)	(2,986)	(1,979)
Income tax expense	398		1,194
Net of income tax expense	(597)	(660)	(1,792)	(1,979)
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)	(60)	(52)	(180)
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	$ (978)	$ (600)	$ (2,934)	$ (1,799)