Debt - Senior Unsecured Notes - Narrative (Details) - USD ($)
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6 Months Ended |
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Jun. 27, 2019 |
Aug. 18, 2016 |
Jun. 30, 2019 |
Jun. 30, 2018 |
Dec. 31, 2018 |
| Debt Instrument [Line Items] |
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| Proceeds from issuance of debt |
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$ 820,000,000
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$ 0
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| Unamortized deferred financing costs |
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17,681,000
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$ 14,932,000
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| Senior Unsecured Notes |
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| Debt Instrument [Line Items] |
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| Unamortized discount |
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1,700,000
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1,500,000
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| Unamortized deferred financing costs |
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$ 6,300,000
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$ 2,700,000
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| Senior Unsecured Notes | 2016 Senior Unsecured Notes |
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| Debt Instrument [Line Items] |
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| Aggregate principal amount of debt |
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$ 300,000,000.0
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| Principal amount issued |
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99.378%
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| Proceeds from issuance of debt |
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$ 296,200,000
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| Stated interest rate |
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4.45%
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| Debt instrument, maturity date |
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Sep. 15, 2026
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| Redemption price, percent of principal amount |
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100.00%
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| Deferred financing costs |
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$ 3,400,000
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| Unamortized discount |
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$ 1,900,000
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| Senior Unsecured Notes | 2019 Senior Unsecured Notes |
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| Debt Instrument [Line Items] |
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| Aggregate principal amount of debt |
$ 400,000,000.0
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| Principal amount issued |
99.274%
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| Proceeds from issuance of debt |
$ 395,900,000
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| Stated interest rate |
4.00%
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| Debt instrument, maturity date |
Jul. 15, 2029
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| Redemption price, percent of principal amount |
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100.00%
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| Deferred financing costs |
$ 3,800,000
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| Unamortized discount |
$ 300,000
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