Share-based Compensation (Tables)

12 Months Ended

Dec. 31, 2019

Share-based Payment Arrangement [Abstract]

Schedule of Share-based Compensation Expense

Pre-tax share-based compensation expense reported in the consolidated statements of operations was:

	Year Ended December 31,
	2019		2018		2017
	(in thousands)
Cost of sales	$	580	$	362	$	379
Selling, general and administrative expenses	13,832		12,743		9,394
Total share-based compensation expense	$	14,412	$	13,105	$	9,773

Stock Option Activity

Stock option activity during the year ended December 31, 2019 was:

	Number of Options	Weighted Average Exercise Price		Weighted Average Contractual Life (Years)	Aggregate Intrinsic Value
	(in thousands, except exercise price and years)
Outstanding as of December 31, 2018	362	$	11.05	5.68	$	5,407
Granted	—	—
Exercised	(27)	13.25
Forfeited or expired	(20)	17.54
Outstanding as of December 31, 2019	315	$	10.45	5.28	$	9,904
Exercisable at December 31, 2019	248	$	11.38	4.71	$	7,577
Vested and expected to vest at December 31, 2019	315	$	10.45	5.28	$	9,904

Schedule of Pricing Model Assumptions

During the year ended December 31, 2017, stock options were valued using a Black Scholes option pricing model using the following assumptions.

	Year Ended December 31, 2017
Expected volatility	40.7%
Dividend yield	—
Risk-free interest rate	1.76%
Expected life (in years)	4.0

Schedule Of Restricted Stock Award And Restricted Stock Unit Activity

RSA and RSU activity during the year ended December 31, 2019 was:

	Restricted Stock Awards			Restricted Stock Units
	Shares	Weighted Average Grant Date Fair Value		Shares	Weighted Average Grant Date Fair Value
	(in thousands, except fair value data)
Unvested at December 31, 2018	6	$	18.61	2,752	$	11.58
Granted	12	20.53		817	25.37
Vested	(13)	20.00		(997)	9.92
Forfeited	—	—		(645)	11.79
Unvested at December 31, 2019	5	$	19.39	1,927	$	17.77