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v3.10.0.1

Notes Payable - Additional Information (Details) | 1 Months Ended |
--- | --- | ---
Jun. 30, 2018 USD ($) | Dec. 31, 2017 USD ($)
Debt Instrument [Line Items] |  |
Refinancing transaction amount | $ 425,000,000 | $ 425,000,000
Maximum total leverage ratio | 3.0 |
Maximum total leverage ratio in event of an acquisition | 4.00 |
Minimum |  |
Debt Instrument [Line Items] |  |
Maximum total leverage ratio | 3.5 |
Maximum |  |
Debt Instrument [Line Items] |  |
Maximum total leverage ratio | 3.5 |
2018 Credit Agreement |  |
Debt Instrument [Line Items] |  |
Debt fees and acquisition costs | $ 4,000,000 |
Capitalized debt fees and acquisition costs | 3,000,000 |
Debt fees and acquisition costs expensed in period | 2,000,000 |
Revolving Credit Facility | 2018 Credit Agreement |  |
Debt Instrument [Line Items] |  |
Maximum borrowing capacity under credit facility | 75,000,000 |
Revolving Credit Facility | 2018 Revolver |  |
Debt Instrument [Line Items] |  |
Maximum borrowing capacity under credit facility | 250,000,000 |
Letter of Credit | 2018 Credit Agreement |  |
Debt Instrument [Line Items] |  |
Undrawn letter of credit | 16,000,000 |
Notes Payable | 2018 Term Loan A |  |
Debt Instrument [Line Items] |  |
Face amount of term loan facility | 425,000,000 |
Refinancing transaction amount | 425,000,000 | $ 0
Amount rolled over into new borrowing | 211,000,000 |
Notes Payable | 2014 Term Loans |  |
Debt Instrument [Line Items] |  |
Debt refinanced and repaid | 415,000,000 |
Refinancing transaction amount | 415,000,000 |
Extinguishment of debt | $ 204,000,000 |

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