Fair Value Measurements - Summary of Assets and Liabilities Measured at Fair Value as of Measurement Date (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	Aug. 28, 2015	Feb. 28, 2015	Aug. 29, 2014
Assets measured on a recurring basis:
Deferred compensation plan assets	$ 11,514	$ 12,745	$ 12,516
Investment in equity securities	56,482
Assets measured on a recurring basis	67,996
Liabilities measured on a recurring basis:
Deferred compensation plan liabilities	12,425	13,412	13,429
Level 1 [Member]
Assets measured on a recurring basis:
Deferred compensation plan assets	10,236	10,997	10,599
Investment in equity securities	56,482
Assets measured on a recurring basis	66,718
Liabilities measured on a recurring basis:
Deferred compensation plan liabilities	10,236	10,997	10,599
Level 2 [Member]
Assets measured on a recurring basis:
Deferred compensation plan assets	1,278	1,748	1,917
Assets measured on a recurring basis	1,278
Liabilities measured on a recurring basis:
Deferred compensation plan liabilities	$ 2,189	$ 2,415	$ 2,830