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Capital Stock and Equity Compensation (Additional Information) (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding | $ 0 |  |
Total intrinsic value of options exercised in period | 1,600,000 | $ 2,400,000 | $ 6,000,000.0
Cash received from exercise of options exercised | $ 300,000 | 900,000 | 3,100,000
Performance Shares |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Future compensation cost, period of recognition | 3 years |  |
Compensation expense | $ 5,000,000.0 | 4,400,000 | 4,700,000
Nonvested awards, total compensation cost not yet recognized | $ 7,500,000 |  |
Weighted-average remaining contractual life in years, options outstanding | 10 months 24 days |  |
Performance Shares | Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Expected dividend yield (percentage) | 0.00% |  |
Performance Shares | Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Restricted stock award program, awarded shares as a percentage of the original award amount (percent) | 200.00% |  |
Time Based Restricted Stock |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Compensation expense | $ 5,800,000 | 5,600,000 | 5,700,000
Nonvested awards, total compensation cost not yet recognized | $ 7,700,000 |  |
Weighted-average remaining contractual life in years, options outstanding | 10 months 24 days |  |
Deferred Stock Units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Compensation expense | $ 1,100,000 | $ 900,000 | $ 1,000,000.0
Anniversary period from grant date | 13 months |  |
Conversion ratio | 1 |  |
Employee stock option |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock options, contractual term (years) | 10 years |  |

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