Summary of Recognized Assets and Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Aug. 30, 2014	Mar. 01, 2014	Aug. 31, 2013
Level 1 | Non-qualified deferred compensation plan
Assets
Total Assets	$ 6,279	$ 5,869	$ 5,238
Level 1 | Contingent consideration liability
Liabilities
Total Liabilities	0	0	0
Level 2 | Non-qualified deferred compensation plan
Assets
Total Assets	0	0	0
Level 2 | Contingent consideration liability
Liabilities
Total Liabilities	0	0	0
Level 3 | Non-qualified deferred compensation plan
Assets
Total Assets	0	0	0
Level 3 | Contingent consideration liability
Liabilities
Total Liabilities	$ 800	$ 1,903	$ 1,903