Summary of Options Outstanding (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 01, 2013	Jun. 02, 2012	May 28, 2011	May 29, 2010
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding - Number Outstanding	944	766	883	1,683
Options Outstanding - Weighted Average Exercise Price	$ 10.13	$ 9.52	$ 8.51	$ 8.09
Options Outstanding - Weighted Average Remaining Contractual Life	6 years 8 months 12 days
Options Outstanding - Aggregate Intrinsic Value	$ 2,087
Options Outstanding - Number Outstanding	468
Options Outstanding - Weighted Average Exercise Price	$ 9.17
Options Outstanding - Weighted Average Remaining Contractual Life	5 years 1 month 6 days
Options Outstanding - Aggregate Intrinsic Value	1,449
$4.18 to $7.24
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices - Lower Limit	$ 4.18
Range of Exercise Prices - Upper Limit	$ 7.24
Options Outstanding - Number Outstanding	254
Options Outstanding - Weighted Average Exercise Price	$ 5.72
Options Outstanding - Weighted Average Remaining Contractual Life	5 years 7 months 6 days
Options Outstanding - Aggregate Intrinsic Value	1,587
Options Outstanding - Number Outstanding	166
Options Outstanding - Weighted Average Exercise Price	$ 5.84
Options Outstanding - Weighted Average Remaining Contractual Life	5 years 4 months 24 days
Options Outstanding - Aggregate Intrinsic Value	1,015
$7.32 to $11.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices - Lower Limit	$ 7.32
Range of Exercise Prices - Upper Limit	$ 11.00
Options Outstanding - Number Outstanding	138
Options Outstanding - Weighted Average Exercise Price	$ 8.96
Options Outstanding - Weighted Average Remaining Contractual Life	3 years 3 months 18 days
Options Outstanding - Aggregate Intrinsic Value	414
Options Outstanding - Number Outstanding	138
Options Outstanding - Weighted Average Exercise Price	$ 8.96
Options Outstanding - Weighted Average Remaining Contractual Life	3 years 3 months 18 days
Options Outstanding - Aggregate Intrinsic Value	413
$11.12 to $ 13.76
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices - Lower Limit	$ 11.12
Range of Exercise Prices - Upper Limit	$ 13.76
Options Outstanding - Number Outstanding	552
Options Outstanding - Weighted Average Exercise Price	$ 12.45
Options Outstanding - Weighted Average Remaining Contractual Life	8 years 1 month 6 days
Options Outstanding - Aggregate Intrinsic Value	86
Options Outstanding - Number Outstanding	164
Options Outstanding - Weighted Average Exercise Price	$ 12.72
Options Outstanding - Weighted Average Remaining Contractual Life	6 years 4 months 24 days
Options Outstanding - Aggregate Intrinsic Value	$ 21