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Schedule of Recognized Interest Cost Relating to Both Contractual Interest Coupon and Amortization of Discount on Liability Component of Notes (Detail) (USD $)
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3 Months Ended | 6 Months Ended | ||
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Dec. 23, 2012
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Dec. 25, 2011
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Dec. 23, 2012
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Dec. 25, 2011
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| Debt Instrument [Line Items] | ||||
| Amortization of interest discount | $ 15,595,000 | $ 13,264,000 | ||
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2016, 2018 and 2041 Senior Notes
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| Debt Instrument [Line Items] | ||||
| Contractual interest coupon | 6,600,000 | 1,900,000 | 13,100,000 | 3,900,000 |
| Amortization of interest discount | 7,800,000 | 6,700,000 | 15,600,000 | 13,300,000 |
| Amortization of issuance costs | 600,000 | 600,000 | 1,200,000 | 1,200,000 |
| Total interest cost recognized | $ 15,000,000 | $ 9,200,000 | $ 29,900,000 | $ 18,400,000 |