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Borrowings and Credit Arrangements - Additional Information (Detail) |  |  | 3 Months Ended | 9 Months Ended | 36 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 24, 2014 USD ($) | Oct. 31, 2013 USD ($) | Jun. 27, 2015 USD ($) | Dec. 27, 2014 USD ($) | Jun. 28, 2014 USD ($) | Mar. 29, 2014 USD ($) | Dec. 28, 2013 USD ($) | Jun. 27, 2015 USD ($) | Jun. 28, 2014 USD ($) | Jul. 15, 2018 | Aug. 01, 2015 USD ($) | Jul. 02, 2015 USD ($) | May. 29, 2015 USD ($) | Sep. 27, 2014 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-cash interest expense amortization of debt discount and deferred financing costs |  |  |  |  |  |  |  | $ 49,500,000 | $ 52,200,000 |  |  |  |  |
Debt extinguishment loss |  |  | $ 18,200,000 |  | $ 0 |  |  | 24,900,000 | 7,400,000 |  |  |  |  |
Payment of debt issuance costs |  |  |  |  |  |  |  | 8,300,000 | 2,400,000 |  |  |  |  |
Convertible Notes Payable, Current |  |  | $ 421,800,000 |  |  |  |  | $ 421,800,000 |  |  |  |  |  | $ 0
Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds under credit agreement |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,680,000,000 |
Weighted average interest rates, Borrowings outstanding under the credit agreement |  |  | 2.39% |  |  |  |  | 2.59% |  |  |  |  |  |
Interest expense |  |  | $ 12,800,000 |  | 17,900,000 |  |  | $ 44,700,000 | 57,500,000 |  |  |  |  |
Non-cash interest expense amortization of debt discount and deferred financing costs |  |  | $ 2,200,000 |  | 3,100,000 |  |  | $ 8,000,000 | 9,600,000 |  |  |  |  |
Leverage Ratio Maximum |  |  |  |  |  |  |  | 5.50 |  |  |  |  |  |
Decreased Net Leverage Ratio Pursuant To Senior Secured Credit Facility |  |  |  |  |  |  |  | 4.00 |  |  |  |  |  |
Interest Coverage Ratio |  |  |  |  |  |  |  | 3.75 |  |  |  |  |  |
Number of Debt Instruments |  |  | 2 |  |  | 2 |  |  |  |  |  |  |  |
Basis Point Reduction |  |  | 0.00% |  |  | 0.00% |  |  |  |  |  |  |  |
Term Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average interest rates, Borrowings outstanding under the credit agreement |  |  | 1.94% |  |  |  |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  | $ 16,000,000 |  | 16,000,000 |  |  | $ 48,000,000 | 48,000,000 |  |  |  |  |
Non-cash interest expense amortization of debt discount and deferred financing costs |  |  | 400,000 |  | $ 400,000 |  |  | $ 1,200,000 | $ 1,200,000 |  |  |  |  |
Senior note interest rate per year |  |  |  |  |  |  |  | 6.25% |  |  |  |  |  |
Final interest payment |  |  |  |  |  |  |  |  |  |  | $ 31,250,000 |  |  |
2022 Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior note interest rate per year |  |  |  |  |  |  |  | 5.25% |  |  |  |  |  |
Offering Price Of Principal Amount |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |
Debt Instrument Percentage Of Redemption Price |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |
Debt Instrument Maximum Percentage Of Redemption Of Senior Notes |  |  |  |  |  |  |  |  |  |  |  | 35.00% |  |
Debt Instrument Percentage Of Redemption Price Second Period |  |  |  |  |  |  |  |  |  |  |  | 105.25% |  |
Debt Instrument Percentage Of Redemption Price Third Period |  |  |  |  |  |  |  |  |  |  |  | 102.625% |  |
Debt Instrument Percentage Of Redemption Price Fourth Period |  |  |  |  |  |  |  |  |  |  |  | 101.313% |  |
Debt Instrument Percentage Of Redemption Price Fifth Period |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |
Percentage Price Of Principal Amount For Repurchase Of Senior Note Change In Control |  |  |  |  |  |  |  |  |  | 101.00% |  |  |  |
Two Thousand Ten Original Notes [Member] | Convertible Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exceeds Percentage Of Conversion Price Of Common Stock |  |  |  |  |  |  |  | 130.00% |  |  |  |  |  |
Convertible Notes Payable, Current |  |  | 421,800,000.0 |  |  |  |  | $ 421,800,000.0 |  |  |  |  |  |
Debt Instrument, Face Amount |  |  | 450,000,000.0 |  |  |  |  | 450,000,000.0 |  |  |  |  |  |
Amount by which the if-converted value exceeds the principal amount |  |  | 296,200,000.0 |  |  |  |  | 296,200,000.0 |  |  |  |  |  |
Term Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Debt Obligations Without Convertible Notes |  |  | (1,418,100,000) |  |  |  |  | (1,418,100,000) |  |  |  |  |  | 0
Term Loan [Member] | Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  | 1,500,000,000 |  |  |  |  | 1,500,000,000 |  |  |  |  |  |
Direct Third Party Costs Interest Expense |  |  | 4,600,000 |  |  |  |  |  |  |  |  |  |  |
Fees recorded as debt discount |  |  | 4,900,000 |  |  |  |  |  |  |  |  |  |  |
Payment of debt issuance costs |  |  | 3,800,000 |  |  |  |  |  |  |  |  |  |  |
Term Loan [Member] | Credit Agreement | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instruments Principal Repayment Due Per Quarter |  |  |  |  |  |  |  | 18,750,000 |  |  |  |  |  |
Term Loan [Member] | Credit Agreement | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instruments Principal Repayment Due Per Quarter |  |  |  |  |  |  |  | $ 37,500,000 |  |  |  |  |  |
Term Loan [Member] | Credit Agreement | Percentage Added To Base Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  |  |  | 1.75% |  |  |  |  |  |
Revolver [Member] | Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  | 1,000,000,000 |  |  |  |  | $ 1,000,000,000 |  |  |  |  |  |
Amount borrowed under revolver |  |  |  |  |  |  |  |  |  |  |  |  | $ 175,000,000 |
Wholly owned foreign subsidiary borrowing limit |  |  | 100,000,000 |  |  |  |  | 100,000,000 |  |  |  |  |  |
Term Loan B |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Debt Obligations Without Convertible Notes |  |  | 0 |  |  |  |  | 0 |  |  |  |  |  | (1,120,900,000)
Term Loan B | Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt extinguishment loss |  |  |  | $ 6,700,000 |  | $ 4,400,000 | $ 3,000,000 |  |  |  |  |  |  |
Direct Third Party Costs Interest Expense |  |  |  |  |  | 1,000,000 |  |  |  |  |  |  |  |
Prepaid principal amount | $ 300,000,000 | $ 100,000,000 |  |  |  | $ 25,000,000 |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Debt Obligations Without Convertible Notes |  |  | (1,000,000,000) |  |  |  |  | (1,000,000,000) |  |  | (1,000,000,000) |  |  | $ (1,000,000,000)
Aggregate redemption price |  |  |  |  |  |  |  |  |  |  | 1,031,250,000 |  |  |
Premium payment |  |  |  |  |  |  |  |  |  |  | $ 31,250,000 |  |  |
Debt Issuance Cost |  |  |  |  |  |  |  | 8,400,000 |  |  |  |  |  |
2022 Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Debt Obligations Without Convertible Notes |  |  | $ (1,000,000,000) |  |  |  |  | $ (1,000,000,000) |  |  |  | $ (1,000,000,000) |  |

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- Definition The holders of the 2007 Notes, 2010 Notes, 2012 Notes and 2013 Notes may convert the notes into shares of the Company's common stock at a conversion price of approximately $38.59 per share, $23.03 per share, $31.175 and $38.59 per share, respectively, subject to adjustment, prior to the close of business on September 15, 2037 for the 2007 and 2010 Notes, March 1, 2042 for the 2012 Notes and September 15, 2043 for the 2013 Notes upon: during any calendar quarter if the last reported sale price of the Company's common stock exceeds 130% of the conversion price for at least 20 trading days in the 30 consecutive trading days ending on the last trading day of the preceding calendar quarter. + References No definition available. + Details
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