Quarterly Data (Unaudited) (Details) - USD ($) $ / shares in Units, $ 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
Quarterly Financial Information Disclosure [Abstract]
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
Gross profit	85,664	91,559	86,001	70,294	82,196	72,868	72,531	64,428	333,518	292,023	243,570
Net earnings	$ 22,329	$ 23,646	$ 17,409	$ 16,104	$ 23,119	$ 22,552	$ 22,397	$ 17,722	$ 79,488	$ 85,790	$ 65,342
Earnings per share - basic
Earnings per share - basic (USD per share)	$ 0.79	$ 0.82	$ 0.60	$ 0.56	$ 0.81	$ 0.78	$ 0.78	$ 0.62	$ 2.79	$ 2.98	$ 2.25
Earnings per share - diluted
Earnings per share - diluted (USD per share)	$ 0.78	$ 0.82	$ 0.60	$ 0.56	$ 0.80	$ 0.78	$ 0.77	$ 0.61	$ 2.76	$ 2.97	$ 2.22