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Treasury Stock and Share Based Awards (Tables)

3 Months Ended

Mar. 31, 2019

Summary of Treasury Stock Activity

Below is a summary of the Company’s treasury stock activity for the three months ended March 31, 2019:

		Number of
		Treasury
		Shares				Cost
Balance at January 1, 2019			4,626,191			$	79,259
Restricted stock withholdings (1)			50,081				1,947
Restricted stock forfeitures			8,808				—
Balance at March 31, 2019			4,685,080			$	81,206

(1) The Company withheld restricted shares as a result of the election by certain employees to satisfy their tax liabilities upon vesting in restricted stock and restricted stock units.  The Company determined the number of shares to be withheld based upon market values ranging from $36.81 to $40.32 per share.

Summary of Restricted Stock Activity

Below is a summary of restricted stock activity for the three months ended March 31, 2019:

		Shares of				Weighted Average
		Restricted				Grant Date
		Stock				Fair Value
Outstanding at January 1, 2019			704,353			$	38.68
Granted			247,342			$	36.77
Vested			(149,976	)		$	42.69
Forfeited			(8,808	)		$	37.03
Outstanding at March 31, 2019			792,911			$	37.35
Unvested restricted stock at March 31, 2019			792,911			$	37.35

Summary of Restricted Stock Unit Award Activity

Below is a table summarizing the potential number of shares that could vest under restricted stock unit awards granted during the three months ended March 31, 2019 at each of the three target levels of financial performance (excluding forfeiture assumptions):

		Number of
		Shares				Value at
		Vesting				Grant
at IRR of at least 6%			136,285			$	5,011
at IRR of at least 8%			204,427			$	7,517
at IRR of at least 14%			306,651			$	11,276

Restricted Stock

Summary of Restricted Stock Award Activity

		March 31,
		2019				2018
Compensation expense recognized during the period		$	2,433			$	2,375
Fair value of restricted shares that vested during the period		$	5,745			$	7,807
Income tax benefit recognized upon vesting of restricted stock awards		$	1,002			$	1,399

Restricted Stock Units (RSUs)

Summary of Restricted Stock Unit Award Activity

		March 31,
		2019				2018
Number of restricted stock unit awards that vested during the period			88,074				125,063
Fair value of restricted stock unit awards that vested during the period		$	3,550			$	3,594
Accumulated dividends paid upon vesting of restricted stock unit awards		$	375			$	522
Compensation expense recognized during the period		$	537			$	1,051
Income tax benefit recognized upon vesting of restricted stock unit awards		$	170			$	723

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