Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2018

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	2018			2017
Balance at January 1,		929,386			679,038
Granted		398,005			370,458
Forfeited		(73,673	)		(93,045	)
Shares delivered		(151,371	)		(26,352	)
Balance at September 30,		1,102,347			930,099

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:

	September 30
In thousands	2018		2017
Three months ended	$	1,146	$	1,494
Nine months ended		4,283		3,293

Stock Only Stock Appreciation Rights (SOSARs) [Member]

Summary of Share Based Compensation Activity

The following table sets forth information related to outstanding SOSARS for the nine months ended September 30:

	2018					2017
SOSARS	Shares			Wtd Avg Exercise Price		Shares			Wtd Avg Exercise Price
Outstanding at January 1,		2,561,846		$	17.87		2,736,616		$	17.64
Granted		—			—		—			—
Exercised		(158,545	)		13.31		(33,050	)		14.65
Canceled / forfeited		(51,285	)		22.35		(17,630	)		18.46
Outstanding at September 30,		2,352,016		$	18.08		2,685,936		$	17.67

Compensation Expense for Stock Option Activity Included in Continuing Operations

The following table sets forth SOSAR compensation expense included in continuing operations for the periods indicated:

	September 30
In thousands	2018		2017
Three months ended	$	67	$	233
Nine months ended		311		1,038