Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2021

Restricted Stock Units (RSU) and Performance Share Awards (PSAs) [Member]

Summary of Share Based Compensation Activity

The following table summarizes RSU and PSA activity during periods indicated:

Units	2021			2020
Balance at January 1,		1,071,652			896,463
Granted		352,763			369,975
Forfeited		(98,012	)		(81,046	)
Shares delivered		(196,637	)		(136,182	)
Balance at June 30,		1,129,766			1,049,210

Compensation Expense for Stock Option Activity Included in Continuing Operations

The following table sets forth aggregate RSU and PSA compensation expense included in continuing operations for the periods indicated:

	June 30
In thousands	2021		2020
Three months ended	$	1,329	$	1,292
Six months ended		2,537		2,377

Stock Only Stock Appreciation Rights (SOSARs) [Member]

Summary of Share Based Compensation Activity

The following table sets forth information related to outstanding SOSARS:

	2021				2020
SOSARS	Shares		Wtd Avg Exercise Price		Shares			Wtd Avg Exercise Price
Outstanding at January 1,		1,082,413	$	20.40		1,291,947		$	20.05
Granted		—		—		—			—
Exercised		—		—		(58,460	)		12.85
Canceled / forfeited		—		—		(104,801	)		21.57
Outstanding at June 30,		1,082,413	$	20.40		1,128,686		$	20.28