Investments - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 01, 2014	Mar. 02, 2013	Mar. 01, 2014	Mar. 02, 2013	Jun. 01, 2013
Investment [Line Items]
Investment in time deposits and certificate of deposits	$ 34.6		$ 34.6		$ 44.0
Investment in time deposits and certificate of deposits, less than twelve months	33.3		33.3		39.0
Investment in time deposits and certificate of deposits, greater than twelve months	1.3		1.3		5.0
Investments, which are included in non-current assets	$ 0.5		$ 0.5		$ 0.4
Proceeds from the sale of securities description	.2	0.2
Gross realized gains and losses on sale, description	less than $0.1 million	less than $0.1 million	less than $0.1	less than $0.1 million
Net unrealized holding gains, description	less than $0.1 million	less than $0.1 million	less than $0.1	less than $0.1 million