Stock-Based Compensation Plans and Employee Benefits (Tables)

12 Months Ended

Dec. 31, 2019

Summary of Fair Values for Stock-based Awards Granted Using Black-Scholes Option Pricing Model

The fair values for option awards granted were estimated at the date of grant using the Black-Scholes option pricing model with the following weighted-average assumptions (no option awards were granted in 2019 or 2018):

	For the Year Ended December 31, 2017
Weighted-average fair value of grants	$	2.07
Risk-free interest rate (range) – Based upon the U.S. Treasury Strip with a maturity date that    approximates the expected term of the award	1.8%
Dividend yield (range) – Forecasted dividend yield based on the expected life	5.2%
Expected life (range) – Derived by referring to actual exercise experience	4 years
Expected volatility (range) – Derived by using a 50/50 blend of implied and historical changes in the    Company's historical stock prices over a time frame consistent with the expected life of the award	19.8%

Summary of Stock Option Activity

The following table reflects the stock option activity:

				Weighted-		Weighted- Average		Aggregate
	Number of Options (Thousands)			Average Exercise Price		Remaining Contractual Term (Years)		Intrinsic Value (Thousands)
Balance December 31, 2016		903		$	38.32
Granted		77			28.86
Exercised		(26	)		14.66
Forfeited		(366	)		44.62
Balance December 31, 2017		588			27.64
Granted	—			—
Spin-off adjustment	139
Exercised		(19	)		9.73
Forfeited		(262	)		32.26
Balance December 31, 2018		446			25.71
Granted	—			—
Exercised		(12	)		9.73
Forfeited		(84	)		25.04
Balance December 31, 2019		350		$	26.42		4.8	$	—
Options exercisable at December 31,
2019		333		$	26.58		4.7	$                          —
2018		368			25.86		4.8		27
2017		398			34.92		4.5		196

Summary of Characteristics of Options Outstanding

The following table summarizes the characteristics of the options outstanding at December 31, 2019:

	Options Outstanding						Options Exercisable
Range of Exercise Prices	Outstanding at 12/31/19 (Thousands)		Weighted-Average Remaining Contractual Life (Years)		Weighted-Average Exercise Price		Exercisable at 12/31/19 (Thousands)		Weighted-Average Exercise Price
$0.00–$20.00		13		0.3	$	16.58		13	$	16.58
$20.01–$31.11		337		4.9		26.79		320		26.97
		350		4.8	$	26.42		333	$	26.58

Activities for Unvested Stock Option Awards

The following table reflects the activity for unvested stock option awards:

	Options (Thousands)			Weighted-Average Grant Date Fair Value
Unvested at December 31, 2018		78		$	2.31
Granted	—			—
Vested		(58	)		2.39
Forfeited		(3	)		2.08
Unvested at December 31, 2019		17		$	2.07

Summary of Activity of Employee Stock Option Exercises

The following table summarizes the activity of employee stock option exercises that are primarily settled with newly issued common shares or with treasury shares, if available (in millions):  

	For the Year Ended December 31,
	2019		2018		2017
Cash received for exercise price	$	0.1	$	0.2	$	0.4
Intrinsic value		—		0.1		0.2

VSEP Grants [Member]

Activities for Unvested Restricted Stock Awards

The following table reflects the activity for the unvested awards pursuant to all restricted stock grants:

	Awards (Thousands)			Weighted-Average Grant Date Fair Value
Unvested at December 31, 2018		561		$	16.77
Granted		260			13.59
Vested		(121	)		20.23
Forfeited		(63	)		16.27
Unvested at December 31, 2019		637		$	14.86