Business Segment Data (Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 27, 2016	Nov. 28, 2015	Aug. 29, 2015	May. 30, 2015	Feb. 28, 2015	Nov. 29, 2014	Aug. 30, 2014	May. 31, 2014	Feb. 27, 2016	Feb. 28, 2015	Mar. 01, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 262,149	$ 238,324	$ 240,754	$ 239,962	$ 246,698	$ 244,410	$ 231,945	$ 210,883	$ 981,189	$ 933,936	$ 771,445
Long-Lived Assets	202,462				193,540				202,462	193,540	193,946
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									923,018	847,887	718,881
Long-Lived Assets	189,624				178,048				189,624	178,048	177,378
CANADA
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									39,324	50,807	15,850
Long-Lived Assets	7,162				8,214				7,162	8,214	9,031
Brazil
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									18,847	35,242	36,714
Long-Lived Assets	$ 5,676				$ 7,278				$ 5,676	$ 7,278	$ 7,537