Equity Incentive Plans (Tables)

9 Months Ended

Sep. 30, 2014

Share-based Compensation [Abstract]

Summary Of Share Option Activity

A summary of the Company’s share option activity and related information is as follows:

	Number of shares		Option price per share					Weighted avg. exercise price
Outstanding at December 31, 2013	840,665		$	18.18	—	$	65.50	$	40.85
Exercised	(28,434	)	32.50		—	52.72		42.03
Granted	172,178		51.64		—	51.64		51.64
Forfeited	(3,377	)	45.20		—	51.64		48.65
Outstanding at September 30, 2014	981,032		$	18.18	—	$	65.50	$	42.69

Summary Of Outstanding Options

The following table summarizes outstanding options at September 30, 2014:

Exercise price range	Options outstanding	Weighted avg. life remaining	Weighted avg. exercise price		Aggregate intrinsic value  (in thousands)
$ 18.18 - 19.99	201,859	4.4
20.00 - 29.99	—	0.0
30.00 - 39.99	14,774	5.4
40.00 - 49.99	485,330	4.9
50.00 - 59.99	185,716	9.0
60.00 - 65.50	93,353	2.3
	981,032	5.3	$	42.69	$	9,387

Summary Of Exercisable Options

The following table summarizes exercisable options at September 30, 2014:

Exercise price range	Options outstanding	Weighted avg. life  remaining	Weighted avg. exercise price		Aggregate  intrinsic value (in thousands)
$ 18.18 - 19.99	201,859	4.4
20.00 - 29.99	—	0.0
30.00 - 39.99	14,774	5.4
40.00 - 49.99	343,341	3.7
50.00 - 59.99	9,375	4.6
60.00 - 65.50	93,353	2.3
	662,702	3.8	$	39.42	$	8,798

Summary Of Nonvested Share Activity

A summary of the Company’s nonvested share activity and related information is as follows:

	Number  of shares		Weighted avg. grant  date fair value		Weighted avg. life remaining
Outstanding at December 31, 2013	371,864		$	46.00
Granted	280,193		51.64
Vested	(149,324	)	45.26
Forfeited	(4,208	)	50.02
Outstanding at September 30, 2014	498,525		$	49.35	1.26

Summary Of Restricted Share Unit Activity

A summary of the Company’s restricted share unit activity and related information is as follows:

	Number  of Shares		Weighted Average Grant Date Fair Value		Weighted Average Life Remaining
Outstanding at December 31, 2013	17,530		$	58.38
Granted	19,685		53.55
Vested	(17,530	)	58.38
Outstanding at September 30, 2014	19,685		$	53.55	0.63