Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2019

Share-based Payment Arrangement [Abstract]

Assumptions to Determine the Grant Date Fair Value of the Equity Component and the Period-End Fair Value of the Liability

The following assumptions were used to determine the grant date fair value of the equity component (February 19, 2019) and the period-end fair value of the liability component of the TSR Performance Share Awards:

	Grant Date			June 30, 2019
Fair value per performance share award	$	20.63		$11.46 - $22.04
Assumptions:
Stock price volatility	31.3		%	24.28% - 29.01%
Risk free rate of return	2.46		%	1.72%-2.08%