STOCK-BASED COMPENSATION STOCK-BASED COMPENSATION(Tables)

6 Months Ended

Jun. 30, 2017

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

The following table details total stock-based compensation expense for the three and six months ended June 30, 2017 and 2016, included in the condensed consolidated statements of income:



	Three Months Ended						Six Months Ended
(In thousands)	June 30, 2017			June 30, 2016			June 30, 2017			June 30, 2016
Costs of sales	$	425		$	374		$	743		$	773
Operating expenses	1,261			1,120			2,224			2,104
Pre-tax stock-based compensation expense	1,686			1,494			2,967			2,877
Less: income tax effect	(658		)	(583		)	(1,157		)	(1,122		)
Net stock-based compensation expense	$	1,028		$	911		$	1,810		$	1,755

Summary of Restricted Stock Activity

A summary of restricted stock activity (including shares of restricted stock issued pursuant to the settlement of performance share awards) under the Plans during the six months ended June 30, 2017 and 2016 is as follows:



	Six Months Ended June 30, 2017				Six Months Ended June 30, 2016
	Shares		Weighted-Average Grant Date Fair Value Per Share		Shares		Weighted-Average Grant Date Fair Value Per Share
Nonvested restricted stock outstanding at beginning of period	184,885		$	54.63	191,397		$	57.12
Granted	222,390		32.87		86,984		52.21
Vested	(80,558	)	55.34		(72,393	)	57.75
Nonvested restricted stock outstanding at end of period	326,717		$	39.64	205,988		$	54.82

Summary of Performance Share Award Activity

A summary of performance share award activity under the 2014 Incentive Plan during the six months ended June 30, 2017 and 2016 is as follows, based on the target award amounts set forth in the performance share award agreements:



	Six Months Ended June 30, 2017				Six Months Ended June 30, 2016
	Shares		Weighted-Average Grant Date Fair Value		Shares		Weighted-Average Grant Date Fair Value
Performance share awards outstanding at beginning of period	77,594		$	49.64	49,471		$	49.29
Granted	189,325		29.94		77,594		49.64
Forfeited or unearned	(77,594	)	49.64		(49,471	)	49.29
Performance share awards outstanding at end of period	189,325		$	29.94	77,594		$	49.64