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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2015

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule Of Unrecognized Compensation Cost And Remaining Weighted-Average Amortization Stock-Based Awards

							Performance-
							based
					Restricted		Restricted
		Stock	Restricted		Stock		Stock
(in thousands)		Options	Shares		Units		Units⁽¹⁾
Unrecognized compensation cost	$	6,008	$	552	$	8,990	$	3,289
Remaining weighted-average
amortization period	2.3 years		0.9 years		3.0 years		2.2 years

⁽¹⁾ Based on the probable achievement of the performance goals identified in each award.

Weighted-Average Assumptions Used To Value The Options Granted

	Three Months Ended
	March 31,
(in thousands)	2015	2014
Options granted	289	313
Expected term of options	6.4 years	7.0 years
Expected volatility	35%	39%
Risk-free interest rate	1.886%	1.998%
Dividend yield	zero	zero

Summary Of Stock Options

The following table summarizes activities relating to the Company’s stock options:


				Weighted-
			Weighted-	Average
			Average	Remaining		Aggregate
	Number of		Exercise	Contractual		Intrinsic
(in thousands, except per share data)	Options		Price	Term (Years)		Value
Outstanding as of December 31, 2014	2,437	$	20.07
Granted	289	$	23.14
Exercised	(46)	$	17.93
Forfeited or expired	(12)	$	22.76
Outstanding as of March 31, 2015	2,668	$	20.43	5.35	$	10,670
Exercisable as of March 31, 2015	1,859	$	20.09	3.48	$	8,389

Restricted Stock [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary Of Stock-Based Awards

			Weighted-
			Average
	Number of		Grant Date
(in thousands, except per share data)	Shares		Fair Value
Non-vested shares outstanding as of December 31, 2014	109	$	16.33
Vested	(70)	$	16.85
Non-vested shares outstanding as of March 31, 2015	39	$	15.38

Restricted Stock Units (RSUs) [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary Of Stock-Based Awards

			Weighted-
			Average
	Number of		Grant Date
(in thousands, except per share data)	Units		Fair Value
Non-vested awards outstanding as of December 31, 2014	412	$	20.33
Granted	168	$	23.14
Vested	(120)	$	19.57
Forfeited	(3)	$	20.04
Non-vested awards outstanding as of March 31, 2015	457	$	21.57

Performance-Based Restricted Stock Units [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary Of Stock-Based Awards

The following table summarizes the activities related to the Company’s performance-based restricted stock units:

			Weighted-
			Average
	Number of		Grant Date
(in thousands, except per share data)	Units		Fair Value
Non-vested units outstanding as of December 31, 2014	274	$	18.56
Granted⁽¹⁾	76	$	23.14
Forfeited or expired	(53)	$	18.57
Non-vested units outstanding as of March 31, 2015	297	$	19.74

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

+ References+ Details