Shareholders' Equity - Narrative (Details) $ / shares in Units, shares in Thousands |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2020
USD ($)
$ / shares
shares
|
Dec. 31, 2019
USD ($)
shares
|
Dec. 31, 2018
shares
|
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| Stockholders Equity | |||
| Treasury stock, value | $ 108,516,000 | $ 100,784,000 | |
| Common stock reserved (in shares) | shares | 10,100 | ||
| Income tax effect recorded for currency translation adjustments | $ 0 | ||
| Convertible Class B Stock | |||
| Stockholders Equity | |||
| Class B stock voting rights per share | $ / shares | $ 10 | ||
| Conversion ratio for Class B stock to common stock | 1 | ||
| Treasury Stock | |||
| Stockholders Equity | |||
| Number of shares repurchased (in shares) | shares | 282 | 1,851 | 0 |
| Treasury stock, value | $ 7,700,000 | $ 50,800,000 | |
| Amount authorized for stock repurchase program | $ 41,500,000 | ||
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- Definition Common Stock, Conversion Ratio No definition available.
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- Definition Common Stock, Votes Per Share No definition available.
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- Definition Stockholders Equity [Line Items] No definition available.
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- Definition Aggregate number of common shares reserved for future issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of stock repurchase plan authorized. No definition available.
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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