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	May. 29, 2015	Feb. 28, 2015	May. 30, 2014
Assets measured on a recurring basis:
Deferred compensation plan assets	$ 12,484	$ 12,745	$ 12,218
Investment in equity securities	73,080
Assets measured on a recurring basis	85,564
Liabilities measured on a recurring basis:
Deferred compensation plan liabilities	13,448	13,412	13,214
Level 1 [Member]
Assets measured on a recurring basis:
Deferred compensation plan assets	11,035	10,997	10,243
Investment in equity securities	73,080
Assets measured on a recurring basis	84,115
Liabilities measured on a recurring basis:
Deferred compensation plan liabilities	11,035	10,997	10,243
Level 2 [Member]
Assets measured on a recurring basis:
Deferred compensation plan assets	1,449	1,748	1,975
Assets measured on a recurring basis	1,449
Liabilities measured on a recurring basis:
Deferred compensation plan liabilities	$ 2,413	$ 2,415	$ 2,971