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Borrowings and Credit Arrangements - Additional Information (Detail) - USD ($) $ in Millions |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Dec. 19, 2016 | Jul. 01, 2017 | Dec. 31, 2016 | Jun. 25, 2016 | Mar. 26, 2016 | Jul. 01, 2017 | Jun. 25, 2016 | Apr. 25, 2017 | Apr. 21, 2017
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Non-cash interest expense amortization of debt discount and deferred financing costs |  |  |  |  |  | $ 38.9 | $ 38.8 |  |
Cash paid for conversion of debt |  | $ 269.1 | $ 12.3 |  |  | 290.1 | $ 311.5 |  |
Conversion premium |  |  |  |  |  | 8.7 |  |  |
Exceeds Percentage Of Conversion Price Of Common Stock |  | 0.00% |  |  |  |  |  |  |
Convertible Debt, Current |  | $ 260.0 |  |  |  | 260.0 |  |  |
Principle Value of Convertible Debt |  | 263.4 |  |  |  | $ 263.4 |  |  |
Debt Instrument, Convertible, If-converted Value in Excess of Principal |  | $ 123.7 |  |  |  |  |  |  |
Maximum borrowing under securitization program |  |  |  |  |  |  |  |  | $ 200.0
Additional borrowing under securitization program |  |  |  |  |  |  |  | $ 36.0 |
Credit Agreement |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Weighted average interest rates |  | 2.50% |  | 2.19% |  | 2.28% | 2.11% |  |
Interest rate |  | 2.72% |  |  |  |  |  |  |
Interest expense |  | $ 10.5 |  | $ 10.5 |  | $ 30.1 | $ 31.2 |  |
Non-cash interest expense amortization of debt discount and deferred financing costs |  | 1.0 |  | 1.1 |  | 3.2 |  |  |
2022 Notes [Member] |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest expense |  | 14.0 |  |  |  | 43.2 |  |  |
Non-cash interest expense amortization of debt discount and deferred financing costs |  | $ 1.0 |  |  |  | $ 2.9 |  |  |
Senior note interest rate per year |  |  |  |  |  | 5.25% |  |  |
Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest expense |  |  |  | 14.0 |  | $ 41.9 |  |  |
Non-cash interest expense amortization of debt discount and deferred financing costs |  |  |  | 1.0 |  | $ 2.9 |  |  |
Accounts Receivable Securitization [Member] |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Weighted average interest rates |  | 1.22% |  |  |  | 1.32% |  |  |
Interest rate |  | 1.92% |  |  |  |  |  |  |
Interest expense |  | $ 0.9 |  |  |  | $ 2.3 | 0.4 |  |
2010 Notes [Member] |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Cash paid for conversion of debt |  |  |  |  | $ 140.1 |  |  |  |
Convertible Debt [Member] | 2010 Notes [Member] |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Stated interest rate | 2.00% |  |  |  |  |  |  |  |
Redemption price (as a percent) | 100.00% |  |  |  |  |  |  |  |
Convertible Notes Payable [Member] |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest expense |  | 10.1 |  | 11.7 |  | 33.4 | 38.6 |  |
Non-cash interest expense amortization of debt discount and deferred financing costs |  | $ 8.5 |  | $ 9.6 |  | $ 28.0 | $ 30.6 |  |

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- Definition Conversion Premium + References No definition available. + Details
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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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- Definition Amount of amortization expense attributable to debt discount (premium) and debt issuance costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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- Definition The portion of the carrying value of long-term convertible debt as of the balance sheet date that is scheduled to be repaid within one year or in the normal operating cycle if longer. Convertible debt is a financial instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 + Details
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