Stockholders' Deficit (Tables)

3 Months Ended

Mar. 31, 2019

Equity [Abstract]

Total Share-based Incentive Compensation Expense

The table below shows our total share-based incentive compensation expense:

	Three Months Ended March 31,
(In millions)	2019		2018
Total share-based incentive compensation expense(1)	$	8.4	$	7.6

⁽¹⁾  The amounts included above do not include the expense related to our U.S. profit sharing contributions made in the form of our common stock or the expense or income related to certain cash-based awards, however, the amounts include the expense related to share based awards that are settled in cash.

Number of PSUs Granted and Grant Date Fair Value of PSUs

The number of PSUs granted and the grant date fair value of the PSUs are shown in the following table:

	TSR		ROIC		Adjusted EBITDA
Number of units granted	49,819		66,807		66,807
Fair value on grant date(1)	$	58.25	$	42.16	$	42.16

⁽¹⁾  Represents weighted average fair value for PSU awards approved on February 13, 2019 and February 14, 2019.

Summary of Assumptions Used to Calculate the Grant Date Fair Value

The assumptions used to calculate the grant date fair value of the PSUs based on TSR are shown in the following table:

	TSR portion of the 2019 PSU Award
Expected price volatility(1)	22.8	%
Risk-free interest rate(1)	2.5	%

⁽¹⁾  Represents average of assumptions for PSU awards approved on February 13, 2019 and February 14, 2019.