Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2019

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Allocated Share-based Compensation Costs

Following are certain amounts recognized in the consolidated statements of operations for share-based compensation arrangements for the years ended December 31, 2019, 2018, and 2017. We did not capitalize any share-based compensation costs during these periods.

	Year Ended
	December 31,		December 31,		December 31,
(In millions)	2019		2018		2017
Share-based compensation included in cost of services	$	2.4	$	2.3	$	2.2
Share-based compensation included in selling, general and    administrative expenses		14.9		3.8		4.4
Share-based compensation included in restructuring and related    charges		1.5		—		0.1
Total share-based compensation	$	18.8	$	6.1	$	6.7
Total income tax benefit recognized		4.6		1.6		2.6

Summary of Weighted Average Grant-date Fair Values of Options and Weighted Average Assumptions Used to Develop Fair Value Estimates

The following table sets forth the weighted average grant-date fair values of options and the weighted average assumptions we used to develop the fair value estimates for the year ended December 31, 2018.  There were no stock options granted during fiscal 2019 or 2017.

	Year Ended December 31, 2018
Weighted average grant-date fair value    of options per share	$	20.21
Assumptions:
Expected volatility		56.2	%
Expected dividends		—
Expected term (in years)	6.7
Risk-free rate		2.8	%

Summary of Stock Options

A summary of options as of December 31, 2019 and the activity during the year then ended is presented below:

Options	Shares (In thousands)			Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value (In thousands)
Outstanding at January 1, 2019		431		$	17.83
Exercised		(89	)		12.73
Forfeited		(23	)		37.89
Outstanding at December 31, 2019		319		$	17.85		3.7	$	1,795,728
Exercisable at December 31, 2019		282		$	15.22		3.1	$	1,795,728

Summary of Restricted Stock Awards

	Restricted Stock Awards
	Shares (In thousands)			Weighted- Average Grant Date Fair Value
Nonvested at January 1, 2019		—		$	—
Replacement Awards		258			19.42
Vested		(130	)		19.42
Forfeited		(1	)		19.42
Nonvested at December 31, 2019		127		$	19.42

Summary of Restricted Stock Units

The following table shows a summary of our restricted stock units as of December 31, 2019 as well as activity during the year then ended:

	Restricted Stock Units
	Shares (In thousands)			Weighted- Average Grant Date Fair Value
Nonvested at January 1, 2019		271		$	24.07
Granted		419			19.68
Replacement Awards		919			19.42
Vested		(1,038	)		19.78
Forfeited		(178	)		21.17
Nonvested at December 31, 2019		393		$	21.16

Summary of Performance-Based Stock Units

The following table shows a summary of our performance-based stock units as of December 31, 2019, as well as activity during the year then ended:

	Performance Stock Units
	Shares (In thousands)			Weighted- Average Grant Date Fair Value
Nonvested at January 1, 2019		—		$	—
Granted		814			20.20
Shares adjustment for performance (1)		(121	)		20.34
Vested		(25	)		19.42
Forfeited		(261	)		20.06
Nonvested at December 31, 2019		407		$	20.29

⁽¹⁾ Represents the number of shares at target for certain performance-based stock units that are no longer eligible to be earned based on fiscal 2019 performance. These awards are included in the number of shares granted above.

Summary of Market Stock Units

The following table shows a summary of our market stock units as of December 31, 2019 as well as activity during the year then ended:

	Market Stock Units
	Shares (In thousands)			Weighted- Average Grant Date Fair Value
Nonvested at January 1, 2019		45		$	18.25
Granted		—			—
Vested		—			—
Forfeited		(45	)		18.25
Nonvested at December 31, 2019		—		$	—