STOCK-BASED PLANS

6 Months Ended

Jun. 30, 2017

STOCK-BASED PLANS

STOCK-BASED PLANS

NOTE 12 STOCK BASED PLANS

Our stock based plans are described and informational disclosures are provided in the Notes to the Consolidated Financial Statements included in our Form 10-K for the year ended December 31, 2016.

Stock Options

The following table summarizes our stock option plan activity for the six months ended June 30, 2017:

	Stock Options	Weighted Average Exercise Price
Stock Options outstanding at December 31, 2016	1,176,640	$	78.87
Granted	46,000		119.38
Exercised	(350,337)		58.48
Forfeited	(40,000)		100.21
Expired	(1,000)		57.77
Stock Options outstanding at June 30, 2017	831,303		88.71

Compensation costs related to stock options were $0.2 million and $1.0 million for the three and six months ended June 30, 2017, respectively, none of which and $0.3 million of which were capitalized to development projects during the same periods, respectively. Compensation costs related to stock options were $0.5 million and $2.3 million for the three and six months ended June 30, 2016, respectively, of which $0.2 million and $0.8 million were capitalized to development projects during the same periods.

Restricted Stock

The following table summarizes restricted stock activity for the six months ended June 30, 2017:

	Restricted Stock	Weighted Average Grant Date Fair Value
Restricted stock outstanding at December 31, 2016	289,112	$	88.88
Granted	98,883		79.64
Vested	(23,629)		84.20
Forfeited	(17,034)		87.04
Restricted stock outstanding at June 30, 2017	347,332		86.66

Compensation expense related to restricted stock awards were $1.5 million and $3.0 million for the three and six months ended June 30, 2017, respectively, of which $0.2 million and $0.5 million were capitalized to development projects during the same periods. Compensation expense related to restricted stock awards were $1.8 million and $3.4 million for the three and six months ended June 30, 2016, respectively, of which $0.3 million and $0.6 million were capitalized to development projects during the same periods.