Consolidated Statements of Shareholders' Equity - 6 months ended Sep. 01, 2018 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock Outstanding	Common Stock	Paid-in Capital	Retained Earnings	Cumulative Other Comprehensive Income (Loss)	Treasury Stock
Beginning Balance at Mar. 03, 2018	$ 277,570		$ 125	$ 168,424	$ 726,232	$ (7,477)	$ (609,734)
Beginning Balance, Common Stock at Mar. 03, 2018		83,258
Net loss	(79,591)				(79,591)
Cumulative effect of accounting change	7,020				7,020
Other comprehensive income	77					77
Stock-based compensation expense	1,380			(25,791)			27,171
Stock-based compensation expense (in shares)		1,955
Stock purchase plan and other	712			(5,242)			5,954
Stock purchase plan and other (in shares)		335
Ending Balance at Sep. 01, 2018	$ 207,168		$ 125	$ 137,391	$ 653,661	$ (7,400)	$ (576,609)
Ending Balance, Common Stock at Sep. 01, 2018		85,548