Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 03, 2018	Mar. 04, 2017
Carrying Amount
Financial instruments
Variable rate indebtedness		$ 3,368,484
Fixed rate indebtedness	$ 3,905,841	3,894,894
Fair Value
Financial instruments
Variable rate indebtedness		3,404,225
Fixed rate indebtedness	3,927,411	4,152,374
Other assets
Financial instruments
Investment at amortized cost	$ 7,282	$ 6,874