Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 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		287,805			294,315
Forfeited		(90,355	)		(17,455	)
Shares delivered		(123,038	)		(78,509	)
Balance at March 31,		1,146,064			1,094,814

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:

	March 31
In thousands	2021		2020
Three months ended	$	1,208	$	1,085

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		—		—		(44,710	)		12.94
Canceled / forfeited		—		—		(2,841	)		17.27
Outstanding at March 31,		1,082,413	$	20.40		1,244,396		$	20.31