v2.4.0.6
Schedule of Carrying Value of Convertible Notes and Other Long Term Debt (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 23, 2012
Jun. 24, 2012
May 31, 2011
Debt Instrument [Line Items]      
Total long-term debt $ 1,274.5 $ 1,258.9  
Less: current portion of debt   (509.6)  
Long-term debt 1,274.5 749.3  
0.50% Convertible Senior Notes Due 2016
     
Debt Instrument [Line Items]      
Notes due 450.0 450.0 450.0
Less: Unamortized interest discount (53.1) (60.3)  
Net carrying amount of Notes 396.9 389.7  
1.25% Convertible Senior Notes Due 2018
     
Debt Instrument [Line Items]      
Notes due 450.0 450.0 450.0
Less: Unamortized interest discount (83.7) (90.4)  
Net carrying amount of Notes 366.3 359.6  
2.625% Convertible Senior Notes maturing in 2041
     
Debt Instrument [Line Items]      
Notes due 699.9 699.9  
Less: Unamortized interest discount (188.6) (190.3)  
Net carrying amount of Notes $ 511.3 $ 509.6