CONSOLIDATED BALANCE SHEETS (Parentheticals)	Dec. 31, 2019 $ / shares shares	Dec. 31, 2019 € / shares shares	Dec. 31, 2018 $ / shares shares	Dec. 31, 2018 € / shares shares
CONSOLIDATED BALANCE SHEETS
Ordinary shares, nominal value (in dollars per share) \| $ / shares	$ 0.01		$ 0.01
Ordinary shares, number of shares authorized	400,000,000	400,000,000	400,000,000	400,000,000
Ordinary shares, number of shares issued	51,845,742	51,845,742	52,518,924	52,518,924
Ordinary shares, number of shares outstanding	51,845,742	51,845,742	52,518,924	52,518,924
Preferred shares, nominal value (in dollars per share) \| $ / shares	$ 0.01		$ 0.01
Preferred shares, number of shares authorized	40,000,000	40,000,000	40,000,000	40,000,000
Preferred shares, number of shares issued	0	0	0	0
Preferred shares, number of shares outstanding	0	0	0	0
Euro deferred shares, nominal value (in euros per share) \| € / shares		€ 1.00		€ 1.00
Euro deferred shares, number of shares authorized	25,000	25,000	25,000	25,000
Euro deferred shares, number of shares issued	0	0
Euro deferred shares, number of shares outstanding	0	0

Face amount or stated value per share of other common stock instruments held by shareholders.

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The maximum number of other common stock instruments to be issued by an entity's charter and bylaws.

+ References

No definition available.

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Total number of other common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Total number of shares of other common stock instruments held by shareholders, such as exchangeable shares. May be all or portion of the number of common shares authorized.

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No definition available.

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Face amount or stated value per share of common stock.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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