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. 02, 2019	Dec. 01, 2018	Sep. 01, 2018	Jun. 02, 2018	Mar. 03, 2018	Dec. 02, 2017	Sep. 02, 2017	Jun. 03, 2017	Mar. 02, 2019	Mar. 03, 2018	Mar. 04, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 346,255	$ 357,718	$ 362,133	$ 336,531	$ 353,453	$ 356,506	$ 343,907	$ 272,307	$ 1,402,637	$ 1,326,173	$ 1,114,533
Long-Lived Assets	315,823				304,063				315,823	304,063	246,748
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									1,259,319	1,187,922	1,031,214
Long-Lived Assets	297,072				283,432				297,072	283,432	227,145
CANADA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									128,735	122,981	65,958
Long-Lived Assets	12,563				13,384				12,563	13,384	13,303
Brazil
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									14,583	15,270	17,361
Long-Lived Assets	$ 6,188				$ 7,247				$ 6,188	$ 7,247	$ 6,300