Fair Value Measurements - Summary of Financial Assets and Liabilities Measured at Fair Value as of Measurement Date (Detail) (Fair Value, Measurements, Recurring [Member], USD $) In Thousands, unless otherwise specified	Nov. 28, 2014	Feb. 28, 2014	Nov. 29, 2013
Deferred Compensation Plan Assets [Member]
Assets measured on a recurring basis:
Assets measured on a recurring basis	$ 12,840	$ 12,285	$ 12,129
Deferred Compensation Plan Liabilities [Member]
Liabilities measured on a recurring basis:
Liabilities measured on a recurring basis	13,783	13,230	13,295
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Deferred Compensation Plan Assets [Member]
Assets measured on a recurring basis:
Assets measured on a recurring basis	10,932	10,289	8,814
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Deferred Compensation Plan Liabilities [Member]
Liabilities measured on a recurring basis:
Liabilities measured on a recurring basis	10,932	10,289	8,814
Level 2 [Member] | Deferred Compensation Plan Assets [Member]
Assets measured on a recurring basis:
Assets measured on a recurring basis	1,908	1,996	3,315
Level 2 [Member] | Deferred Compensation Plan Liabilities [Member]
Liabilities measured on a recurring basis:
Liabilities measured on a recurring basis	$ 2,851	$ 2,941	$ 4,481