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v3.19.3.a.u2

Long-Term Debt (Details) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2018 USD ($) | Dec. 31, 2019 USD ($) $ / shares | Sep. 28, 2019 USD ($) | Jun. 29, 2019 USD ($) | Mar. 30, 2019 USD ($) | Dec. 31, 2018 USD ($) | Sep. 29, 2018 USD ($) | Jun. 30, 2018 USD ($) | Mar. 31, 2018 USD ($) | Dec. 31, 2019 USD ($) d $ / shares | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Credit facility |  | $ 0 |  |  |  | $ 0 |  |  |  | $ 0 | $ 0 |
Deferred financing costs |  | (16,784) |  |  |  | (14,968) |  |  |  | (16,784) | (14,968) |
Long-term debt |  | 499,147 |  |  |  | 494,509 |  |  |  | 499,147 | 494,509 |
Less current portion |  | 0 |  |  |  | 0 |  |  |  | 0 | 0 |
Long-term debt, less current portion |  | 499,147 |  |  |  | 494,509 |  |  |  | 499,147 | 494,509 |
Allocated liability component of repurchased debt | $ 133,647 | 9,568 |  |  |  | 108,059 |  | $ 133,647 |  | 9,568 | 108,059 |
Allocated equity component of repurchased debt | 451,344 | 18,295 |  |  |  | 267,945 |  | 451,344 |  | 18,295 | 267,945 |
Loss on early extinguishment of debt | 17,309 | 723 | $ 0 | $ 0 | $ 1,307 | 9,274 | $ 0 | 17,309 | $ 0 | 2,030 | 26,583 | $ 0
Interest expense [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Contractual coupon interest |  |  |  |  |  |  |  |  |  | 13,998 | 16,090 | 12,938
Non-cash amortization of debt discount |  |  |  |  |  |  |  |  |  | 14,146 | 10,769 | 4,984
Non-cash amortization of deferred financing costs |  |  |  |  |  |  |  |  |  | 1,823 | 1,185 | 189
Non-cash change in value of derivative liability |  |  |  |  |  |  |  |  |  | (42) | 128 | (316)
Total interest expense related to the debentures |  |  |  |  |  |  |  |  |  | 29,925 | 28,172 | 17,795
Committed and uncommitted short-term credit lines |  | 6,000 |  |  |  | 7,000 |  |  |  | 6,000 | 7,000 |
Aggregate annual maturities of long-term debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Interest paid |  |  |  |  |  |  |  |  |  | 16,177 | 23,859 | 21,216
Convertible Debt [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Loss on early extinguishment of debt |  |  |  |  |  |  |  |  |  |  | (9,274) |
Liability and equity components of convertible debentures [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of the convertible debt |  | 617,190 |  |  |  | 636,556 |  |  |  | 617,190 | 636,556 |
Unamortized discount |  | (101,259) |  |  |  | (127,149) |  |  |  | (101,259) | (127,149) |
Embedded derivative |  | 0 |  |  |  | 70 |  |  |  | 0 | 70 |
Carrying value of liability component |  | 515,931 |  |  |  | 509,477 |  |  |  | 515,931 | 509,477 |
Equity component (including temporary equity) - net carrying value |  | 92,391 |  |  |  | 100,354 |  |  |  | $ 92,391 | 100,354 |
Debt Instrument, Period to accrue contingent interest subsequent to debt issuance |  |  |  |  |  |  |  |  |  | 10 years |  |
Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, initiation date |  |  |  |  |  |  |  |  |  | Jun. 05, 2019 |  |
Line of credit facility, maximum borrowing capacity |  | 750,000 |  |  |  |  |  |  |  | $ 750,000 |  |
Line of credit facility, expiration date |  |  |  |  |  |  |  |  |  | Jun. 05, 2024 |  |
Incremental revolving commitments |  |  |  |  |  |  |  |  |  | $ 300,000 |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  | 1.50% |  |
Commitment fees |  |  |  |  |  |  |  |  |  | 0.25% |  |
Line of credit facility, decrease in commitment fee |  |  |  |  |  |  |  |  |  | (0.05%) |  |
Investments pro forma ratio |  |  |  |  |  |  |  |  |  | 2.75 |  |
Restricted payments pro forma ratio |  |  |  |  |  |  |  |  |  | 2.50 |  |
Restricted payments, annual limit |  | 100,000 |  |  |  |  |  |  |  | $ 100,000 |  |
Restricted payments ,total limit |  | 300,000 |  |  |  |  |  |  |  | 300,000 |  |
Restricted payments ,rollover limit |  | 25,000 |  |  |  |  |  |  |  | 25,000 |  |
Restricted payments, unused amount |  |  |  |  |  |  |  |  |  | 100,000 |  |
Event of default - judgment limit |  | 50,000 |  |  |  |  |  |  |  | 50,000 |  |
Available borrowing capacity |  | 747,912 |  |  |  |  |  |  |  | 747,912 |  |
Letters of credit outstanding |  | 2,088 |  |  |  |  |  |  |  | 2,088 |  |
Previous Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  | 640,000 |  |  |  |  |  |  |  | $ 640,000 |  |
Line of credit facility, expiration date |  |  |  |  |  |  |  |  |  | Dec. 10, 2020 |  |
Available borrowing capacity |  |  |  |  |  | 636,211 |  |  |  |  | 636,211 |
Letters of credit outstanding |  |  |  |  |  | 3,789 |  |  |  |  | 3,789 |
Convertible Senior Notes, Due 2025 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Convertible debt |  | $ 509,128 |  |  |  | $ 495,203 |  |  |  | $ 509,128 | $ 495,203 |
Issuance date |  |  |  |  |  |  |  |  |  | Jun. 12, 2018 |  |
Maturity date |  |  |  |  |  |  |  |  |  | Jun. 15, 2025 |  |
Cash coupon rate |  | 2.25% |  |  |  | 2.25% |  |  |  | 2.25% | 2.25% |
Nonconvertible debt borrowing rate at issuance |  | 5.50% |  |  |  |  |  |  |  | 5.50% |  |
Effective conversion rate |  |  |  |  |  |  |  |  |  | 31.8083 |  |
Effective conversion price (in dollars per share) | $ / shares |  | $ 31.44 |  |  |  |  |  |  |  | $ 31.44 |  |
130% of the conversion price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 40.87 |  |
Debt instrument percentage of conversion price |  |  |  |  |  |  |  |  |  | 130.00% |  |
Debt instrument, percentage of sale price of common stock |  | 98.00% |  |  |  |  |  |  |  | 98.00% |  |
Percentage of redemption price to principal amount |  |  |  |  |  |  |  |  |  | 100.00% |  |
Threshold percentage of stock price trigger |  |  |  |  |  |  |  |  |  | 150.00% |  |
Trading period to trigger conversion, minimum | d |  |  |  |  |  |  |  |  |  | 20 |  |
Consecutive trading period prior to notice of redemption | d |  |  |  |  |  |  |  |  |  | 30 |  |
Maximum threshold of quarterly cash dividends per share of common stock for not adjusting conversion rate of convertible notes (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 0.085 |  |
Liability and equity components of convertible debentures [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of the convertible debt |  | $ 600,000 |  |  |  | $ 600,000 |  |  |  | $ 600,000 | $ 600,000 |
Interest expense [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Contractual coupon interest |  |  |  |  |  |  |  |  |  | 13,500 | 7,463 |
Non-cash amortization of debt discount |  |  |  |  |  |  |  |  |  | 13,925 | 7,240 |
Non-cash amortization of deferred financing costs |  |  |  |  |  |  |  |  |  | 1,816 | 1,059 |
Non-cash change in value of derivative liability |  |  |  |  |  |  |  |  |  | 0 | 0 |
Total interest expense related to the debentures |  |  |  |  |  |  |  |  |  | 29,241 | 15,762 |
Convertible Senior Notes, Due 2025 [Member] | Convertible Debt [Member] |  |  |  |  |  |  |  |  |  |  |  |
Liability and equity components of convertible debentures [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of the convertible debt |  | 600,000 |  |  |  | 600,000 |  |  |  | 600,000 | 600,000 |
Unamortized discount |  | (90,872) |  |  |  | (104,797) |  |  |  | (90,872) | (104,797) |
Embedded derivative |  | 0 |  |  |  | 0 |  |  |  | 0 | 0 |
Carrying value of liability component |  | 509,128 |  |  |  | 495,203 |  |  |  | 509,128 | 495,203 |
Equity component (including temporary equity) - net carrying value |  | 85,262 |  |  |  | 85,262 |  |  |  | 85,262 | 85,262 |
Convertible Senior Debentures, Due 2040 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Convertible debt |  | $ 126 |  |  |  | 539 |  |  |  | $ 126 | 539 |
Issuance date |  |  |  |  |  |  |  |  |  | Nov. 09, 2010 |  |
Maturity date |  |  |  |  |  |  |  |  |  | Nov. 15, 2040 |  |
Cash coupon rate |  | 2.25% |  |  |  |  |  |  |  | 2.25% |  |
Nonconvertible debt borrowing rate at issuance |  | 8.00% |  |  |  |  |  |  |  | 8.00% |  |
Effective conversion rate |  |  |  |  |  |  |  |  |  | 80.0018 |  |
Effective conversion price (in dollars per share) | $ / shares |  | $ 12.50 |  |  |  |  |  |  |  | $ 12.50 |  |
130% of the conversion price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 16.25 |  |
Call date |  |  |  |  |  |  |  |  |  | Nov. 20, 2020 |  |
Conversion period before maturity date |  |  |  |  |  |  |  |  |  | 3 months |  |
Debt instrument percentage of conversion price |  |  |  |  |  |  |  |  |  | 130.00% |  |
Debt instrument, percentage of sale price of common stock |  | 98.00% |  |  |  |  |  |  |  | 98.00% |  |
Percentage of redemption price to principal amount |  |  |  |  |  |  |  |  |  | 100.00% |  |
Threshold percentage of stock price trigger |  |  |  |  |  |  |  |  |  | 150.00% |  |
Trading period to trigger conversion, minimum | d |  |  |  |  |  |  |  |  |  | 20 |  |
Consecutive trading period prior to notice of redemption | d |  |  |  |  |  |  |  |  |  | 30 |  |
Liability and equity components of convertible debentures [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of the convertible debt |  | $ 300 |  |  |  |  |  |  |  | $ 300 |  |
Interest expense [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of repurchased debt | 220,000 | 1,010 |  |  |  | 53,690 |  | 220,000 |  | 1,010 | 53,690 |
Net carrying value of repurchased debt | 89,276 | 417 |  |  |  | 22,018 |  | 89,276 |  | 417 | 22,018 |
Convertible Senior Debentures, Due 2041 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Convertible debt |  | $ 6,677 |  |  |  | 12,812 |  |  |  | $ 6,677 | 12,812 |
Issuance date |  |  |  |  |  |  |  |  |  | May 13, 2011 |  |
Maturity date |  |  |  |  |  |  |  |  |  | May 15, 2041 |  |
Cash coupon rate |  | 2.25% |  |  |  |  |  |  |  | 2.25% |  |
Nonconvertible debt borrowing rate at issuance |  | 8.375% |  |  |  |  |  |  |  | 8.375% |  |
Effective conversion rate |  |  |  |  |  |  |  |  |  | 58.3812 |  |
Effective conversion price (in dollars per share) | $ / shares |  | $ 17.13 |  |  |  |  |  |  |  | $ 17.13 |  |
130% of the conversion price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 22.27 |  |
Call date |  |  |  |  |  |  |  |  |  | May 20, 2021 |  |
Conversion period before maturity date |  |  |  |  |  |  |  |  |  | 3 months |  |
Debt instrument percentage of conversion price |  |  |  |  |  |  |  |  |  | 130.00% |  |
Debt instrument, percentage of sale price of common stock |  | 98.00% |  |  |  |  |  |  |  | 98.00% |  |
Percentage of redemption price to principal amount |  |  |  |  |  |  |  |  |  | 100.00% |  |
Threshold percentage of stock price trigger |  |  |  |  |  |  |  |  |  | 150.00% |  |
Trading period to trigger conversion, minimum | d |  |  |  |  |  |  |  |  |  | 20 |  |
Consecutive trading period prior to notice of redemption | d |  |  |  |  |  |  |  |  |  | 30 |  |
Liability and equity components of convertible debentures [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of the convertible debt |  | $ 16,890 |  |  |  |  |  |  |  | $ 16,890 |  |
Interest expense [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of repurchased debt |  | 16,188 |  |  |  | 116,922 |  |  |  | 16,188 | 116,922 |
Net carrying value of repurchased debt |  | 6,282 |  |  |  | 45,157 |  |  |  | 6,282 | 45,157 |
Convertible Senior Debentures 2042 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Convertible debt |  | 0 |  |  |  | 923 |  |  |  | 0 | 923 |
Interest expense [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of repurchased debt | 69,060 | 2,168 |  |  |  | 78,772 |  | 69,060 |  | 2,168 | 78,772 |
Net carrying value of repurchased debt | 29,037 | 924 |  |  |  | 33,466 |  | 29,037 |  | 924 | 33,466 |
Convertible Senior Debentures [Member] |  |  |  |  |  |  |  |  |  |  |  |
Debt Instruments [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Purchase price of extinguished debt | $ 584,991 | 27,863 |  |  |  | 376,004 |  | $ 584,991 |  | 27,863 | 376,004 |
Loss on early extinguishment of debt |  |  |  |  |  |  |  |  |  |  | 26,583 |
Interest expense [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Contractual coupon interest |  |  |  |  |  |  |  |  |  | 498 | 8,627 | 12,938
Non-cash amortization of debt discount |  |  |  |  |  |  |  |  |  | 221 | 3,529 | 4,984
Non-cash amortization of deferred financing costs |  |  |  |  |  |  |  |  |  | 7 | 126 | 189
Non-cash change in value of derivative liability |  |  |  |  |  |  |  |  |  | (42) | 128 | (316)
Total interest expense related to the debentures |  |  |  |  |  |  |  |  |  | 684 | 12,410 | $ 17,795
Principal amount of repurchased debt |  | 19,366 |  |  |  | 538,444 |  |  |  | 19,366 | 538,444 |
Convertible Senior Debentures [Member] | Convertible Debt [Member] |  |  |  |  |  |  |  |  |  |  |  |
Liability and equity components of convertible debentures [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of the convertible debt |  | 17,190 |  |  |  | 36,556 |  |  |  | 17,190 | 36,556 |
Unamortized discount |  | (10,387) |  |  |  | (22,352) |  |  |  | (10,387) | (22,352) |
Embedded derivative |  | 0 |  |  |  | 70 |  |  |  | 0 | 70 |
Carrying value of liability component |  | 6,803 |  |  |  | 14,274 |  |  |  | 6,803 | 14,274 |
Equity component (including temporary equity) - net carrying value |  | $ 7,129 |  |  |  | $ 15,092 |  |  |  | $ 7,129 | $ 15,092 |

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- Definition Minimum pro form leverage ratio required for unlimited investments under the revolving credit facility. + References No definition available. + Details
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- References No definition available. + Details
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Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition Net carrying value of repurchased debt instruments. + References No definition available. + Details
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Namespace Prefix: | vsh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Total limit of "restricted payments" allowed under the revolving credit facility. + References No definition available. + Details
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Namespace Prefix: | vsh_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

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- Definition Annual limit of "restricted payments" allowed under the revolving credit facility. + References No definition available. + Details
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Namespace Prefix: | vsh_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

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- Definition Minimum pro form leverage ratio required for unlimited restricted payments under the revolving credit facility. + References No definition available. + Details
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Namespace Prefix: | vsh_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

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- Definition Rollover limit of "restricted payments" allowed under the revolving credit facility. + References No definition available. + Details
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Namespace Prefix: | vsh_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

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- Definition Total limit of "restricted payments" of any unused amount available for use in the next succeeding calendar year. + References No definition available. + Details
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Namespace Prefix: | vsh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
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- Details
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- Details
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