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Schedule of Carrying Value of Convertible Notes and Other Long-Term Debt (Detail) (USD $)
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Jun. 30, 2013
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Jun. 24, 2012
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May 31, 2011
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|---|---|---|---|
| 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 | |
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0.50% Notes due 2016
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| 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 | |
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1.25% Convertible Senior Notes Due 2018
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| 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 | |
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2.625% Convertible Senior Notes maturing in 2041
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| 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 |