STOCK-BASED PLANS

9 Months Ended

Sep. 30, 2018

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

STOCK BASED PLANS

The Company's stock based plans are described and informational disclosures are provided in the Notes to the Consolidated Financial Statements included in the Annual Report.

Stock Options

The following table summarizes the Company's stock option plan activity for the nine months ended September 30, 2018:



	Stock Options		Weighted Average Exercise Price
Stock Options outstanding at December 31, 2017	783,182		$	90.22
Granted	254,000		125.53
Exercised	(178,052	)	65.81
Forfeited	(39,500	)	121.71
September 30, 2018	819,630		$	104.95

Compensation costs related to stock options were $0.9 million and $2.6 million for the three and nine months ended September 30, 2018, respectively, of which $0.3 million and $1.2 million were capitalized to development projects, respectively. Compensation costs related to stock options were $0.6 million and $1.6 million for the three and nine months ended September 30, 2017, respectively, of which $0.2 million and $0.4 million were capitalized to development projects, respectively.

Restricted Stock

The following table summarizes restricted stock activity for the nine months ended September 30, 2018:



	Restricted Stock		Weighted Average Grant Date Fair Value
Restricted stock outstanding at December 31, 2017	354,519		$	89.00
Granted	141,332		82.96
Vested	(10,644	)	114.33
Forfeited	(18,897	)	83.16
Restricted stock outstanding at September 30, 2018	466,310		$	86.83

Compensation costs related to restricted stock awards were $2.2 million and $6.3 million for the three and nine months ended September 30, 2018, respectively, of which $0.1 million and $0.7 million were capitalized to development projects, respectively. Compensation costs related to restricted stock awards were $1.2 million and $4.1 million for the three and nine months ended September 30, 2017, respectively, of which $(0.3) million related to forfeitures and $0.2 million were capitalized to development projects, respectively.