Schedule of Carrying Value of Convertible Notes and Other Long-Term Debt (Detail) (USD $)	Jun. 30, 2013	Jun. 24, 2012	May 31, 2011
Debt Instrument [Line Items]
Total long-term debt	$ 1,290,400,000	$ 1,258,900,000
Less: current portion of debt	(513,000,000)	(509,600,000)
Long-term debt	777,400,000	749,300,000
0.50% Notes due 2016
Debt Instrument [Line Items]
Notes due	450,000,000	450,000,000	450,000,000
Less: Unamortized interest discount	(45,700,000)	(60,300,000)
Net carrying amount of Notes	404,300,000	389,700,000
1.25% Convertible Senior Notes Due 2018
Debt Instrument [Line Items]
Notes due	450,000,000	450,000,000	450,000,000
Less: Unamortized interest discount	(76,900,000)	(90,400,000)
Net carrying amount of Notes	373,100,000	359,600,000
2.625% Convertible Senior Notes maturing in 2041
Debt Instrument [Line Items]
Notes due	699,900,000	699,900,000
Less: Unamortized interest discount	(186,900,000)	(190,300,000)
Net carrying amount of Notes	$ 513,000,000	$ 509,600,000