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Common Stock and Stock-Based Awards Plans (Tables)

3 Months Ended

Mar. 31, 2021

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

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

As of March 31, 2021, the unrecognized compensation cost and remaining weighted-average amortization period related to stock-based awards were as follows:

(in thousands)

Restricted

Stock Units

Performance-

based

Restricted

Stock Units ⁽¹⁾

Unrecognized compensation cost

$

28,561

$

9,434

Remaining weighted-average amortization period

3.0 years

2.6 years

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

Summary Of Stock Options

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

(in thousands, except per share data)		Number of Options				Weighted- Average Exercise Price				Weighted- Average Remaining Contractual Term (Years)				Aggregate Intrinsic Value
Outstanding as of December 31, 2020			188			$	19.98
Exercised			(46	)			19.29
Forfeited or expired			(1	)			18.57
Outstanding and Exercisable as of March 31, 2021			141			$	20.22				1.77			$	1,511

Restricted Stock Units (RSUs) [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 time-based restricted stock units:

(in thousands, except per share data)		Number of Units				Weighted- Average Grant Date Fair Value
Non-vested awards outstanding as of December 31, 2020			1,026			$	27.35
Granted			440				28.60
Vested			(284	)			28.44
Forfeited			(50	)			28.58
Non-vested awards outstanding as of March 31, 2021			1,132			$	27.51

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, 2020			368			$	27.93
Granted⁽¹⁾			234				28.60
Forfeited			(60	)			29.38
Non-vested units outstanding as of March 31, 2021			542			$	28.06

⁽¹⁾Represents target number of units that can vest based on the achievement of the performance goals.