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Financial Instruments and Fair Value Measurements - Narrative (Details) |  | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 02, 2020 USD ($) | Jun. 30, 2020 USD ($) swap | Jun. 30, 2019 USD ($) | Jun. 30, 2020 USD ($) swap | Jun. 30, 2019 USD ($) | Mar. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Mar. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |
Premium percentage | 102.625% |  |  |  |  |  |  |  |
Gain (loss) related to hedge ineffectiveness |  | $ 0 | $ 0 | $ 0 | $ 0 |  |  |  |
Accumulated unrealized gains (losses), net of income taxes |  | (40,100,000) |  | (40,100,000) |  |  |  |  |
Stockholders’ equity |  | 1,215,900,000 | $ 1,164,100,000 | 1,215,900,000 | $ 1,164,100,000 | $ 1,174,600,000 | $ 1,255,700,000 | $ 1,127,700,000 | $ 1,095,700,000
Amount expected to be reclassified from other comprehensive loss into earnings |  | $ 3,200,000 |  | $ 3,200,000 |  |  |  |  |
Interest Rate Swaps |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |
Number of additional forward interest rate swaps | swap |  | 37 |  | 37 |  |  |  |  |
Notional value |  | $ 904,400,000 |  | $ 904,400,000 |  |  |  |  |
Weighted average interest rate |  | 1.73% |  | 1.73% |  |  |  |  |
Forward Interest Rate Swaps |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |
Number of additional forward interest rate swaps | swap |  | 12 |  | 12 |  |  |  |  |
Notional value |  | $ 608,500,000 |  | $ 608,500,000 |  |  |  |  |
Weighted average interest rate |  | 1.57% |  | 1.57% |  |  |  |  |
Accumulated income (loss) on interest rate swaps |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |
Stockholders’ equity |  |  |  |  |  |  | $ (5,400,000) |  |
5.25% Senior Notes |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |
Interest rate (as a percentage) | 5.25% | 5.25% |  | 5.25% |  |  |  |  |
Fully redeemed aggregate principal amount | $ 300,000,000.0 |  |  |  |  |  |  |  |
Principal amount of notes redeemed plus associated premium | $ 307,900,000 |  |  |  |  |  |  |  |

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