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
	Mar. 03, 2018	Dec. 02, 2017	Sep. 02, 2017	Jun. 03, 2017	Mar. 04, 2017	Nov. 26, 2016	Aug. 27, 2016	May 28, 2016	Mar. 03, 2018	Mar. 04, 2017	Feb. 27, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 353,453	$ 356,506	$ 343,907	$ 272,307	$ 314,126	$ 274,072	$ 278,455	$ 247,880	$ 1,326,173	$ 1,114,533	$ 981,189
Long-Lived Assets	304,063				246,748				304,063	246,748	202,462
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									1,187,922	1,031,214	923,018
Long-Lived Assets	283,432				227,145				283,432	227,145	189,624
CANADA
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									122,981	65,958	39,324
Long-Lived Assets	13,384				13,303				13,384	13,303	7,162
Brazil
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									15,270	17,361	18,847
Long-Lived Assets	$ 7,247				$ 6,300				$ 7,247	$ 6,300	$ 5,676