Equity Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2019

Share-based Payment Arrangement [Abstract]

Schedule of Valuation Assumptions of Options Granted

The fair value of each option granted was estimated on the date of grant using the Black-Scholes option-pricing model with the following weighted-average assumptions for the years ended December 31:

	2019		2018		2017
Risk-free interest rate	1.7	%	2.7	%	2.2	%
Expected life	5.3 years		5.5 years		5.5 years
Expected volatility	37	%	34	%	33	%
Expected dividend yield	—	%	—	%	—	%

Schedule of Nonvested Share Activity

The following is a summary of the option activity as of December 31, 2019 and changes during the year then ended:

In thousands except per share amounts and years
	Shares	Weighted-Average Exercise Price		Weighted- Average Remaining Contractual Term (years)	Aggregate Intrinsic Value
Outstanding at December 31, 2018	623	$	30.14
Granted	242	$	19.35
Exercised	(40)	$	11.47
Forfeited/Cancelled	(142)	$	31.36
Outstanding at December 31, 2019	683	$	27.15	7.9	$	688
Options exercisable at December 31, 2019	318	$	33.01	6.1	$	372
Unvested at December 31, 2019	365	$	22.04	3.0	$	316

Schedule of Nonvested Restricted Stock Units Activity

The following is a summary of the Company’s unvested restricted shares for the year ended and as of December 31, 2019:

In thousands except per share amounts
Outstanding Restricted Shares	Shares	Weighted-Average Grant-Date Fair Value
Nonvested at December 31, 2018	304	$	37.02
Granted	157	$	20.96
Vested	(23)	$	56.45
Forfeited/Cancelled	(150)	$	38.07
Nonvested at December 31, 2019	288	$	26.13