Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 01, 2018	Mar. 03, 2018	Aug. 26, 2017
Statement Of Financial Position [Abstract]
Cash and cash equivalents, temporary investments	$ 89,208	$ 115,456	$ 29,705
Properties and equipment, accumulated depreciation	$ 578,476	$ 554,477	$ 533,178
Common stock, par value	$ 0.001	$ 0.001	$ 0.001
Common stock, shares authorized	500,000,000	500,000,000	500,000,000
Common stock, shares issued	125,232,000	125,232,000	125,232,000
Treasury stock, shares	39,684,000	41,974,000	41,469,000

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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