Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 27, 2021	Nov. 28, 2020	Nov. 27, 2021	Nov. 28, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (276,429)	$ (75,441)	$ (400,518)	$ (159,832)
Other comprehensive (loss) income:
Change in temporary impairment of auction rate securities, net of taxes	(186)	215	(226)	(397)
Pension adjustment, net of taxes	(1,786)	(5,183)	(1,562)	(5,174)
Reclassification adjustment on settlement of pension plan, net of taxes	9,938	0	9,938	0
Currency translation adjustment	(2,383)	2,332	(246)	5,745
Other comprehensive income (loss)	5,583	(2,636)	7,904	174
Comprehensive loss	$ (270,846)	$ (78,077)	$ (392,614)	$ (159,658)