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v3.19.3.a.u2

Debt - Additional Information (Detail) $ / shares in Units, $ in Thousands, shares in Millions |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 12, 2016 USD ($) Customer shares | Apr. 27, 2015 USD ($) | Dec. 31, 2019 USD ($) $ / shares shares | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) $ / shares
Debt Instrument |  |  |  |  |  |
Repurchase of common stock |  |  | $ 500,000 | $ 823,478 | $ 200,304 |
Term of loan, years |  | 5 years |  |  |  |
1.25% Convertible Senior Unsecured Notes Due December 15, 2023 |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |
Aggregate principal amount | $ 460,000 |  | 460,000 | 460,000 |  |
Debt instrument, interest rate, stated percentage | 1.25% |  |  |  |  |
Debt instrument, net proceeds after issuance costs | $ 450,800 |  |  |  |  |
Payment for net cost of convertible note hedges net of warrant proceeds | 33,000 |  | $ 33,000 |  |  |
Repurchase of common stock | $ 50,100 |  |  |  |  |
Repurchase of stock, shares | shares | 2.0 |  |  |  |  |
Senior notes maturity date | Dec. 15, 2023 |  |  |  |  |
Debt instrument, frequency of periodic payment | payable semiannually in arrears on June 15 and December 15 of each year |  |  |  |  |
Debt instrument, conversion option expiration date | Sep. 15, 2023 |  |  |  |  |
Debt instrument conversion price | $ / shares |  |  | $ 31.62 |  |  | $ 31.62
Shares that would be issued upon conversion | shares |  |  | 14.5 |  |  |
Strike price per share of warrant | $ / shares |  |  | $ 39.68 |  |  |
Debt instrument, convertible, carrying amount of equity component |  |  | $ 100,800 |  |  |
Debt instrument, effective annual interest rate |  |  | 5.00% |  |  |
Financing cost |  |  | $ 4,300 |  |  | $ 7,200
Debt issuance costs, amortization period |  |  | 7 years |  |  |
Unamortized discount |  |  | $ 65,300 |  |  |
Debt Instrument, convertible, remaining discount amortization period |  |  | 4 years |  |  |
Value of notes converted |  |  | $ 992,000 |  |  |
Debt Instrument, Face Amount | $ 460,000 |  | $ 460,000 | $ 460,000 |  |
1.25% Convertible Senior Unsecured Notes Due December 15, 2023 | Conversion option one |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |
Trading days measurement period | Customer | 20 |  |  |  |  |
Consecutive trading days measurement period | Customer | 30 |  |  |  |  |
Percentage of conversion price | 130.00% |  |  |  |  |
1.25% Convertible Senior Unsecured Notes Due December 15, 2023 | Conversion option two |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |
Aggregate principal amount | $ 1,000 |  |  |  |  |
Trading days measurement period | Customer | 5 |  |  |  |  |
Consecutive trading days measurement period | Customer | 5 |  |  |  |  |
Percentage of closing sale price of common stock and conversion rate product | 98.00% |  |  |  |  |
Debt Instrument, Face Amount | $ 1,000 |  |  |  |  |
Revolving Credit Facility | Maximum |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |
Credit facility, borrowing capacity |  | $ 350,000 |  |  |  |

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- Definition Expiration, mandatory redemption, or due date, in CCYY-MM-DD format, of the financial instrument issued in exchange for the original debt being converted in a noncash or part noncash transaction. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586 + Details
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- Definition Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644 + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -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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