Recent Accounting Pronouncements (Details Textual) - USD ($) $ in Thousands	Jun. 01, 2019	Mar. 03, 2019	Mar. 04, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use assets	$ 1,990,963
Present value of lease liabilities	$ 2,185,498
Cumulative adjustment decreasing opening balance of retained earnings		$ 40,700	$ 4,221
ASU 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Leases with initial terms (in years)		12 months
Right-of-use assets		$ 2,000,000
Present value of lease liabilities		2,200,000
Retained Earnings [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative adjustment decreasing opening balance of retained earnings		40,700	$ 4,221
Retained Earnings [Member] | ASU 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative adjustment decreasing opening balance of retained earnings		$ 40,700