Summary of Significant Accounting Policies - Recently Adopted Accounting Pronouncements (Details) $ in Thousands	12 Months Ended
	Mar. 02, 2019 USD ($)	Mar. 03, 2018 USD ($)	Mar. 04, 2018 USD ($)
New accounting pronouncements
Accounts receivable, net	$ 1,788,712	$ 1,869,100	$ 1,811,203
Inventories, net	1,871,941	1,799,539	1,850,660
Deferred tax assets	221,777	228,444
Accumulated deficit	$ (4,713,244)	(4,282,471)	(4,291,031)
Reverse stock split ratio	1
Accounting Standards Update 2016-09
New accounting pronouncements
Accounts receivable, net			(57,897)
Inventories, net			51,121
Deferred tax assets			1,784
Accumulated deficit			$ (8,560)
Revenues reported under this contract		$ 123,500
Accounting Standards Update 2018-11 | Adjustments
New accounting pronouncements
Operating right-of-use assets	$ 3,100,000
Operating liabilities	$ 3,300,000