Earnings per Share ("EPS") (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table presents the computation of basic and diluted shares of common stock used in the calculation of EPS (amounts in millions, except share and per share amounts):

Earnings per basic common share

	Year Ended December 31,
	2019			2018			2017
Income from continuing operations	$	55.4		$	37.2		$	80.3
Amounts attributable to participating securities	(0.3		)	(0.2		)	(0.6		)
Income from continuing operations available to common stockholders	55.1			37.0			79.7
Loss from discontinued operations, net of income taxes	—			(0.8		)	—
Amounts attributable to participating securities	—			—			—
Net income available to common stockholders	$	55.1		$	36.2		$	79.7
Weighted-average basic shares outstanding	16,848			16,850			16,805
Basic earnings (loss) per share
Continuing operations	$	3.27		$	2.20		$	4.74
Discontinued operations	—			(0.05		)	—
	$	3.27		$	2.15		$	4.74

Earnings per diluted common share

	Year Ended December 31,
	2019			2018			2017
Income from continuing operations	$	55.4		$	37.2		$	80.3
Amounts attributable to participating securities	(0.3		)	(0.4		)	(0.5		)
Income from continuing operations available to common stockholders	55.1			36.8			79.8
Loss from discontinued operations, net of income taxes	—			(0.8		)	—
Amounts attributable to participating securities	—			—			—
Net income available to common stockholders	$	55.1		$	36.0		$	79.8
Weighted-average basic shares outstanding	16,848			16,850			16,805
Add: Assumed incremental shares under stock-based compensation plans	58			118			247
Weighted average diluted shares	16,906			16,968			17,052
Diluted earnings (loss) per share
Continuing operations	$	3.26		$	2.17		$	4.68
Discontinued operations	—			(0.05		)	—
	$	3.26		$	2.12		$	4.68