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Share-based Compensation (Tables)

12 Months Ended

Dec. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation Expense

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

	Year Ended December 31,
	2018				2017				2016
	(in thousands)
Cost of sales	$	362			$	379			$	488
Selling, general and administrative expenses	12,743				9,394				10,199
Total share-based compensation expense	$	13,105			$	9,773			$	10,687

Stock Option Activity

Stock option activity during the year ended December 31, 2018 was:

	Shares			Weighted Average Exercise Price				Weighted Average Contractual Life (Years)		Aggregate Intrinsic Value
	(in thousands, except exercise price and years)
Outstanding as of December 31, 2017	541			$	11.00			5.37		$	1,918
Granted	—			—
Exercised	(152	)		8.36
Forfeited or expired	(27	)		25.09
Outstanding as of December 31, 2018	362			$	11.05			5.68		$	5,407
Exercisable at December 31, 2018	226			$	13.40			4.08		$	2,846
Vested and expected to vest at December 31, 2018	362			$	11.05			5.68		$	5,407

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, 2018 was:

	Restricted Stock Awards (1)							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, 2017	17			$	6.84			3,791			$	7.99
Granted	13			18.61				1,404			14.34
Vested	(24	)		10.09				(1,123	)		8.60
Forfeited	—			—				(1,320	)		7.67
Unvested at December 31, 2018	6			$	18.61			2,752			$	11.58

⁽¹⁾ Excludes shares granted to members of the Board for annual equity awards.

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Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits.

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-Section 50
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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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