Fair Value Measurements - Assets and Liabilities Measured at Fair Value as of Measurement Date (Detail) (Fair Value, Measurements, Recurring [Member], USD $) In Thousands, unless otherwise specified	May 30, 2014	Feb. 28, 2014	May 31, 2013
Deferred Compensation Plan Assets [Member]
Assets measured on a recurring basis:
Assets measured on a recurring basis	$ 12,218	$ 12,285	$ 11,104
Deferred Compensation Plan Liabilities [Member]
Liabilities measured on a recurring basis:
Liabilities measured on a recurring basis	13,214	13,230	11,104
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	10,243	10,289	8,683
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	10,243	10,289	8,683
Level 2 [Member] | Deferred Compensation Plan Assets [Member]
Assets measured on a recurring basis:
Assets measured on a recurring basis	1,975	1,996	2,421
Level 2 [Member] | Deferred Compensation Plan Liabilities [Member]
Liabilities measured on a recurring basis:
Liabilities measured on a recurring basis	2,971	2,941	2,421
Level 3 [Member] | Deferred Compensation Plan Assets [Member]
Assets measured on a recurring basis:
Assets measured on a recurring basis	0
Level 3 [Member] | Deferred Compensation Plan Liabilities [Member]
Liabilities measured on a recurring basis:
Liabilities measured on a recurring basis	$ 0