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v3.20.2

Subsequent Events (Narrative) (Details) $ / shares in Units, $ in Millions |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Oct. 13, 2020 $ / shares | Sep. 30, 2020 USD ($) | Aug. 31, 2020 USD ($) | Mar. 16, 2020 USD ($) | Feb. 29, 2020 USD ($)
Subsequent Events [Line Items] |  |  |  |  |
Dividend payable, declared date |  |  | Oct. 05, 2020 |  |
Dividends payable, date to be paid |  |  | Oct. 30, 2020 |  |
Dividend payable, record date |  |  | Oct. 16, 2020 |  |
Seventh Amended Credit Facility [Member] |  |  |  |  |
Subsequent Events [Line Items] |  |  |  |  |
Revolving credit facility, amount |  |  | $ 150.0 | $ 150.0 | $ 100.0
Consolidated leverage ratio |  |  | 3 |  |
Maturity date |  |  | Mar. 16, 2025 |  |
First Amendment To Credit Agreement [Member] |  |  |  |  |
Subsequent Events [Line Items] |  |  |  |  |
Revolving credit facility, amount |  | $ 150.0 |  |  |
Maturity date |  |  | Sep. 30, 2025 |  |
Other Unsecured Debt [Member] |  |  |  |  |
Subsequent Events [Line Items] |  |  |  |  |
Revolving credit facility, amount |  |  | $ 35.0 |  |
Subsequent Events [Member] |  |  |  |  |
Subsequent Events [Line Items] |  |  |  |  |
Cash dividend declared | $ / shares | $ 0.67 |  |  |  |
Subsequent Events [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |
Subsequent Events [Line Items] |  |  |  |  |
Spread on variable rate |  | 0.90% |  |  |
Subsequent Events [Member] | Prime Rate [Member] |  |  |  |  |
Subsequent Events [Line Items] |  |  |  |  |
Spread on variable rate |  | 0.00% |  |  |
Subsequent Events [Member] | Seventh Amended Credit Facility [Member] |  |  |  |  |
Subsequent Events [Line Items] |  |  |  |  |
Payment of borrowings |  | $ 50.0 |  |  |
Subsequent Events [Member] | First Amendment To Credit Agreement [Member] |  |  |  |  |
Subsequent Events [Line Items] |  |  |  |  |
Consolidated leverage ratio |  | 3.5 |  |  |
Debt instrument, maximum restriction amount |  | $ 10.0 |  |  |
Debt instrument, maximum restriction amount, not covered by other exception |  | 15.0 |  |  |
Subsequent Events [Member] | Other Unsecured Debt [Member] |  |  |  |  |
Subsequent Events [Line Items] |  |  |  |  |
Revolving credit facility, amount |  | 125.0 |  |  |
Subsequent Events [Member] | Third Amendment To Note Agreement [Member] |  |  |  |  |
Subsequent Events [Line Items] |  |  |  |  |
Principal amount |  | $ 52.0 |  |  |
Subsequent Events [Member] | Third Amendment To Note Agreement - Series B Notes [Member] |  |  |  |  |
Subsequent Events [Line Items] |  |  |  |  |
Interest rate |  | 2.50% |  |  |
Maturity date |  | Nov. 15, 2027 |  |  |
Principal amount |  | $ 26.0 |  |  |
Subsequent Events [Member] | Third Amendment To Note Agreement - Series C Notes [Member] |  |  |  |  |
Subsequent Events [Line Items] |  |  |  |  |
Interest rate |  | 2.69% |  |  |
Maturity date |  | Nov. 15, 2030 |  |  |
Principal amount |  | $ 26.0 |  |  |
United Kingdom Subsidiary [Member] | Seventh Amended Credit Facility [Member] |  |  |  |  |
Subsequent Events [Line Items] |  |  |  |  |
Revolving credit facility, amount |  |  |  |  | $ 50.0

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