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Stock Based Compensation (Tables)

12 Months Ended

Dec. 31, 2018

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

Schedule of Share-based Compensation, Stock Options, Activity

The following tables provide additional information related to the options:

2018 Activity	Number of shares (in thousands)			Weighted average exercise price				Remaining weighted average contractual life in years		Intrinsic value (in millions)
Beginning balance	5,817			$	12.66			4.6		$	—
Granted	505			$	12.00
Exercised	(35	)		$	7.11
Forfeited/expired	(547	)		$	15.22
Total outstanding	5,740			$	12.39			3.7		$	—
Options exercisable	4,850			$	12.25			3.0		$	—

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The assumptions used in the Black-Scholes pricing model to estimate the fair value of the options granted in 2018, 2017 and 2016 are as follows:

	2018		2017		2016
Weighted average fair value	$5.62		$8.95		$3.85
Assumptions
Expected life (in years)	6.25		6.25		6.25
Volatility	44%		43%		40%
Dividend yield	—%		—%		—%
Risk free interest rate	2.74%		2.11%		1.40%

Nonvested Restricted Stock Shares Activity

Restricted stock generally vests over a three or four year period from the date of grant. The following table provides additional information related to our restricted stock:

2018 Activity	Restricted stock (shares in thousands)
Nonvested at beginning of year	292
Granted	63
Vested	(124	)
Forfeited	(36	)
Nonvested at the end of year	195

The following table provides additional information related to our restricted stock units:

2018 Activity	Restricted stock units (shares in thousands)
Nonvested at beginning of year	2,226
Granted	1,507
Vested	(856	)
Forfeited	(422	)
Nonvested at the end of year	2,455

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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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
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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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