Earnings Per Share - (Computations for Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share [Abstract]
Income from continuing operations	$ 33,987	$ 20,548
Loss from discontinued operations, net of income taxes		(3,380)
Net income	$ 33,987	$ 17,168
Weighted-average common shares outstanding — basic	64,455	62,882
Effect of stock options and restricted stock units	1,262	1,687
Weighted-average common shares outstanding — diluted	65,717	64,569
Earnings per share from continuing operations — basic	$ 0.53	$ 0.33
Earnings per share from continuing operations — diluted	$ 0.52	$ 0.32

The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period.

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+ Details

- Definition

The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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+ Details

- Definition

Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

+ References + Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details