STOCK-BASED COMPENSATION (Tables)

3 Months Ended

Mar. 31, 2013

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

Summary of total shares granted, forfeited and delivered

Following is a summary of the total restricted shares granted, forfeited and delivered (vested) to employees with the related weighted average grant date fair value share prices.  Of the shares that vested in the first three months of 2013, the Company withheld 17,927 shares to satisfy the tax obligations for those employees who elected this option as permitted under the applicable equity plan.  As of the vesting date, the fair value of shares that vested during the first three months of 2013 was $1,700,000.

	Three Months Ended
Award Activity:	March 31, 2013
	Shares		Weighted Average Grant Date Fair Value
Unvested at beginning of period	212,206		$	42.84
Granted	91,149		57.10
Forfeited	—		—
Vested	(30,316	)	52.32
Unvested at end of period	273,039		$	46.55