Quarterly Data (Unaudited) (Details) - USD ($) $ / shares in Units, $ 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
Quarterly Financial Information Disclosure [Abstract]
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
Gross profit	44,279	84,090	84,466	80,730	85,664	91,559	86,001	70,294	293,565	333,518	292,023
Net earnings	$ (12,083)	$ 21,891	$ 20,513	$ 15,373	$ 22,329	$ 23,646	$ 17,409	$ 16,104	$ 45,694	$ 79,488	$ 85,790
Earnings per share - basic
Earnings per share - basic (USD per share)	$ (0.45)	$ 0.79	$ 0.73	$ 0.55	$ 0.79	$ 0.82	$ 0.60	$ 0.56	$ 1.64	$ 2.79	$ 2.98
Earnings per share - diluted
Earnings per share - diluted (USD per share)	$ (0.45)	$ 0.78	$ 0.72	$ 0.54	$ 0.78	$ 0.82	$ 0.60	$ 0.56	$ 1.63	$ 2.76	$ 2.97