Summary of Significant Accounting Policies - Recently Adopted Accounting Pronouncements (Details) - USD ($) $ 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	Mar. 04, 2018
New accounting pronouncements
Deferred tax asset	$ 594,019				$ 1,505,564				$ 594,019	$ 1,505,564
Accumulated deficit	(4,282,471)				(5,237,157)				(4,282,471)	(5,237,157)
Comprehensive income									950,725	9,517	$ 163,534
Income tax expense (benefit)	216,719	$ (16,061)	$ 117,450	$ (12,121)	$ 48,262	$ (4,682)	$ 3,879	$ (3,021)	305,987	44,438	49,512
Accounting Standards Update 2016-09
New accounting pronouncements
Deferred tax asset	11,729								11,729
Accumulated deficit	(11,729)								(11,729)			$ 8,000
Income tax expense (benefit)									10,590
Increase in cash provided by operating activities and financing activities										$ 6,254	$ 17,506
Revenues reported under this contract									123,500
Accounting Standards Update 2018-02
New accounting pronouncements
Accumulated deficit	$ (513)								(513)
Comprehensive income									$ 513