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v3.19.3

Debt - Additional Information (Details) |  | 3 Months Ended
--- | --- | ---
Aug. 09, 2019 USD ($) $ / shares | Sep. 30, 2019 | Jun. 30, 2019 USD ($) | Mar. 31, 2019 USD ($)
Senior bank debt | Revolver |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total available borrowing |  |  |  | $ 1,250,000,000
Additional borrowing amount |  |  |  | 500,000,000.0
Senior bank debt | Revolver | LIBOR |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on debt variable rate |  | 1.10% |  |
Senior bank debt | Term Loan |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total available borrowing |  |  |  | 450,000,000.0
Additional borrowing amount |  |  |  | $ 75,000,000.0
Senior bank debt | Term Loan | LIBOR |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on debt variable rate |  | 0.875% |  |
Junior convertible securities | 5.15% Junior Convertible Trust Preferred Securities |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt interest rate |  | 5.15% |  |
Conversion ratio per share of common stock | 0.2558 |  |  |
Face amount of convertible security | $ 50.00 |  |  |
Adjusted conversion price (in dollars per share) | $ / shares | $ 195.47 |  |  |
Junior subordinated notes | 5.875% Junior Subordinated Notes due 2059 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt interest rate |  |  |  | 5.875%
Debt issued |  |  | $ 300,000,000.0 | $ 280,000,000.0
Additional debt issued |  |  | $ 20,000,000.0 |
Debt redemption price percentage of principal amount |  |  |  | 100.00%
Debt redemption price percentage of principal amount plus unpaid and accrued interest |  |  |  | 102.00%
Junior subordinated notes | 5.875% Junior Subordinated Notes due 2059 | On or after March 30, 2024 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt redemption price percentage of principal amount |  |  |  | 100.00%
Junior subordinated notes | 5.875% Junior Subordinated Notes due 2059 | Prior to March 30, 2024 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt redemption price percentage of principal amount |  |  |  | 100.00%

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