Share-based Compensation (Tables)

9 Months Ended

Sep. 30, 2017

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

The following table summarizes the Company’s stock option activity (in thousands, except per share data and years) for the three months ended September 30, 2017:

	Stock Options Outstanding
				Weighted Average		Aggregate		Weighted Average
				Exercise Price		Intrinsic		Remaining Contractual
	Shares			Per Share		Value		Term (Years)
Balance as of July 1, 2017		949		$	146.79
Granted		0			0.00
Exercised		0			0.00	$	0
Forfeited/Expired		(7	)		201.25
Balance as of September 30, 2017		942		$	146.36
Exercisable as of September 30, 2017		529		$	135.31	$	2,524		6.8
Expected to vest as of September 30, 2017		413		$	160.54		906		7.8
Total		942		$	146.36	$	3,430		7.3

Schedule of Range of Exercise Prices per Share

Stock options outstanding as of September 30, 2017 are comprised of the following range of exercise prices per share (in thousands, except per share data and years):

	Stock Options Outstanding at September 30, 2017
			Weighted Average		Weighted Average
			Exercise Price		Remaining Contractual
Range of Exercise Prices per Share	Shares		Per Share		Term (Years)
$117.85 - $120.00		25	$	118.55		6.6
$120.01 - $150.00		510	$	121.43		6.6
$150.01 - $180.00		209	$	167.41		7.4
$180.01 - $201.25		198	$	191.90		8.9
Total		942	$	146.36		7.3